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36 vulnerabilities
CVE-2026-101271 (GCVE-0-2026-101271)
Vulnerability from cvelistv5 – Published: 2026-09-29 12:03 – Updated: 2026-09-29 14:44
VLAI
EPSS
VEX
Title
OAuth credentials not disabled when application is disabled
Summary
OAuth credentials (access tokens) are valid for the entirety of their lifetime, even if the application (OAuth client) they are bound to is manually disabled.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-29 14:43 UTC
CWE
- CWE-613 - Insufficient Session Expiration
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://pretix.eu/about/en/blog/20260929-release-… | vendor-advisory |
Impacted products
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CVE-2026-101270 (GCVE-0-2026-101270)
Vulnerability from cvelistv5 – Published: 2026-09-29 12:02 – Updated: 2026-09-29 14:45
VLAI
EPSS
VEX
Title
HTML injection
Summary
Malicious HTML content could be injected into the help texts of various fields with organizer permissions.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-29 14:44 UTC
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://pretix.eu/about/en/blog/20260929-release-… | vendor-advisory |
Impacted products
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CVE-2026-101269 (GCVE-0-2026-101269)
Vulnerability from cvelistv5 – Published: 2026-09-29 12:01 – Updated: 2026-09-29 14:49
VLAI
EPSS
VEX
Title
Incorrect session validation for API-uploaded files
Summary
The mechanism binding API-uploaded files to the uploader's authentication method is not working correctly and the same session token is used for all token-based API users. Since API-uploaded files are refered to by randomly generated UUIDs and only exist for a day, there is virtually no risk, but it renders the added protection mechanism useless.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-29 14:48 UTC
CWE
- CWE-287 - Improper Authentication
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://pretix.eu/about/en/blog/20260929-release-… | vendor-advisory |
Impacted products
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CVE-2026-101268 (GCVE-0-2026-101268)
Vulnerability from cvelistv5 – Published: 2026-09-29 12:00 – Updated: 2026-09-29 14:48
VLAI
EPSS
VEX
Title
Customer session fixation
Summary
If an attacker is able to convince a victim on a specially crafted link, the victim is logged in to the attacker's customer account. If the victim does not notice this, this might lead to their order details being stored into the attacker's account. The attack only works when the event is available on a different domain than the organizer page.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-29 14:48 UTC
CWE
- CWE-384 - Session Fixation
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://pretix.eu/about/en/blog/20260929-release-… | vendor-advisory |
Impacted products
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CVE-2026-101267 (GCVE-0-2026-101267)
Vulnerability from cvelistv5 – Published: 2026-09-29 11:59 – Updated: 2026-09-29 14:47
VLAI
EPSS
VEX
Title
Revenue information leak
Summary
A missing permission check allowed low-privileged users with access to an event but without access to the event's orders to extract some specific information. This information includes the number of attendees and the total revenue.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-29 14:47 UTC
CWE
- CWE-862 - Missing Authorization
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://pretix.eu/about/en/blog/20260929-release-… | vendor-advisory |
Impacted products
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CVE-2026-101266 (GCVE-0-2026-101266)
Vulnerability from cvelistv5 – Published: 2026-09-29 11:53 – Updated: 2026-09-29 14:46
VLAI
EPSS
VEX
Title
Checkout validation bypass
Summary
A logic flaw in the checkout flow allows users to bypass validations performed during the check-in by skipping entire check-in steps.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-29 14:46 UTC
CWE
- CWE-20 - Improper input validation
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://pretix.eu/about/en/blog/20260929-release-… | vendor-advisory |
Impacted products
Date Public
2026-09-29 14:00
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CVE-2026-82838 (GCVE-0-2026-82838)
Vulnerability from cvelistv5 – Published: 2026-08-31 07:44 – Updated: 2026-08-31 14:17
VLAI
EPSS
VEX
Title
Default webserver configuration with incorrect CSP
Summary
The default docker image shipped for Venueless did not properly ensure that uploaded SVG files could not be delivered with executable JavaScript content. A valid Content Security Policy is now set.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-31 14:16 UTC
CWE
- CWE-80 - Improper neutralization of Script-Related HTML tags in a web page (basic XSS)
Assigner
References
1 reference
Date Public
2026-08-31 07:40
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CVE-2026-18028 (GCVE-0-2026-18028)
Vulnerability from cvelistv5 – Published: 2026-07-28 10:39 – Updated: 2026-07-28 12:38
VLAI
EPSS
VEX
Title
Missing authorization check in event quick setup view
Summary
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event allows to set up the most critical parts of an event in just a few
clicks. This view did not properly check that the user has permission
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well-timed request to create products, quotas, set bank transfer
configuration, or connect a stripe account to an event they do not have
access to.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-28 12:38 UTC
CWE
- CWE-639 - Authorization bypass through User-Controlled key
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://pretix.eu/about/en/blog/20260728-release-… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| pretix GmbH | pretix |
Affected:
0 , < 2026.4.6
(python)
Affected: 2026.5.0 , < 2026.5.4 (python) Affected: 2026.6.0 , < 2026.6.1 (q) |
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CVE-2026-18029 (GCVE-0-2026-18029)
Vulnerability from cvelistv5 – Published: 2026-07-28 10:39 – Updated: 2026-07-28 12:36
VLAI
EPSS
VEX
Title
Insufficient validation of payment status in pretix-girosolution
Summary
Our payment integration with GiroCheckout did not properly validate
payment status responses. An attacker could use a successful payment
status response from one payment and supply it to the system for a
different payment, gaining access to multiple valid tickets with only
one payment.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-28 12:31 UTC
CWE
- CWE-841 - Improper enforcement of behavioral workflow
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://pretix.eu/about/en/blog/20260728-release-… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| pretix GmbH | pretix-girosolution |
Affected:
0 , < 1.0.1
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CVE-2026-13602 (GCVE-0-2026-13602)
Vulnerability from cvelistv5 – Published: 2026-07-01 13:45 – Updated: 2026-07-01 15:27
VLAI
EPSS
VEX
Title
Session takeover vulnerability
Summary
We found a chain of combining multiple weaknesses in the product that could allow an attacker to become any user in the backend and access any data:
*
The payment integration plugins Stripe (included in the core system), pretix-mollie, pretix-oppwa, pretix-bitpay, pretix-payone, pretix-secuconnect, pretix-sofort, and pretix-saferpay
contain a code path that is intended for the transport of session
parameters from a tab with isolated cookies (e.g. in the pretix widget)
to a new tab. For this purpose, a set of session parameters is
cryptographically signed and then passed to the new tab as a URL
parameter. The plugins perform no further validation of the session
parameters, other than the cryptographic signature being valid. This is
fixed with the releases issued today by strictly validating that no
session parameters outside of the scope of the respective plugin may be
set.
*
An unrelated feature in the core system is used to generate redirect links that obfuscate any Referer
headers for outgoing links to prevent leakage of secrets in URLs. This
redirect page also requires cryptographically signed parameters.
Unfortunately, it uses the same key and salt for the signature as the
previously mentioned feature in the payment integration plugins. A
motivated attacker with access to at least one event in the backend can
trick the system into cryptographically signing arbitrary content using
specially crafted links. In combination with the previous issue, the
attacker could use this to set and modify arbitrary parameters on their
user session by injecting the signed parameters into the feature of the
payment providers. This is fixed with the releases issued today by using
different salts for the signature for each plugin and feature.
*
A third, unrelated feature in the core system is used for admin users
to act on behalf of another user, mostly for debugging purposes. With
being able to insert arbitrary parameters into a session, an attacker
can abuse this feature to change their session from their actual user to
any user in the system by guessing a valid user ID. This is fixed with
the release today by requiring unguessable information to be contained
in the session of the user to switch to.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-01 15:26 UTC
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://pretix.eu/about/en/blog/20260701-release-… | vendor-advisory |
Impacted products
8 products
| Vendor | Product | Version | |
|---|---|---|---|
| pretix | pretix |
Affected:
4.14.0 , < 2026.3.5
(python)
Affected: 2026.4.0 , < 2026.4.5 (python) Affected: 2026.5.0 , < 2026.5.3 (python) |
|
| pretix | pretix-mollie |
Affected:
0 , < 2.5.7
(python)
|
|
| pretix | pretix-oppwa |
Affected:
0 , < 1.4.4
(python)
|
|
| pretix | pretix-bitpay |
Affected:
0 , < 1.5.3
(python)
|
|
| pretix | pretix-payone |
Affected:
0 , < 1.4.3
(python)
|
|
| pretix | pretix-secuconnect |
Affected:
0 , < 1.0.4
(python)
|
|
| pretix | pretix-sofort |
Affected:
0 , < 1.4.2
(python)
|
|
| pretix | pretix-saferpay |
Affected:
0 , < 1.6.3
(python)
|
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CVE-2026-13603 (GCVE-0-2026-13603)
Vulnerability from cvelistv5 – Published: 2026-07-01 13:18 – Updated: 2026-07-01 14:07
VLAI
EPSS
VEX
Title
SSRF with API key leak in pretix-oppwa
Summary
The payment integration pretix-oppwa provides support
for the payment providers VR Payment, Hobex, and potentially others
based on Oppwa's technology. The integration of Oppwa, following their
official documentation, includes a step where the user is redirected
from the payment provider back to our system with a query parameter like
?resourcePath=/v1/checkouts/{checkoutId}/payment in the URL. Our system is then supposed to fetch the status of the transaction from the URL given by baseUrl + resourcePath.
Our plugin pretix-oppwa did so insecurely by
concatenating the parameter form the URL to the base domain of the API
without further validation and, critically, without a / at the end of the baseUrl. Therefore, an attacker could inject a resourcePath argument in a way that causes pretix to call a different
server instead. Since the request includes the access token (API key)
of the Oppwa account, this would leak the access token, giving access to
data contained in the payment provider's system. This is fixed with the
release today by strictly validating the given API URL.
After installing the update, we recommend asking your payment provider for a new access token and updating it in pretix.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-01 14:07 UTC
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://pretix.eu/about/en/blog/20260701-release-… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| pretix | pretix-oppwa |
Affected:
0 , < 1.4.4
(python)
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CVE-2026-13350 (GCVE-0-2026-13350)
Vulnerability from cvelistv5 – Published: 2026-06-25 16:05 – Updated: 2026-06-25 18:15
VLAI
EPSS
VEX
Summary
Permissions where checked incorrectly during room creation, allowing attackers to create rooms of types they shouldn't be allowed to create.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-25 18:15 UTC
CWE
- CWE-639 - Authorization bypass through User-Controlled key
Assigner
References
1 reference
Impacted products
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CVE-2026-57532 (GCVE-0-2026-57532)
Vulnerability from cvelistv5 – Published: 2026-06-25 14:32 – Updated: 2026-06-25 15:04
VLAI
EPSS
VEX
Summary
Malicious HTML content contained in the layout specification of a PDF
ticket or badge layout was executed when the PDF editor is opened in the
browser. This could allow one backend user to inject JavaScript into
the browser context of another backend user. Due to requirements of the
PDF rendering and editing libraries used, this is one of the few pages
in our backend that do not have a strong Content-Security-Policy that
would render this capability useless for most scenarios.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-25 15:04 UTC
CWE
- CWE-80 - Improper neutralization of Script-Related HTML tags in a web page (basic XSS)
Assigner
References
1 reference
Impacted products
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CVE-2026-57533 (GCVE-0-2026-57533)
Vulnerability from cvelistv5 – Published: 2026-06-25 14:31 – Updated: 2026-06-25 15:05
VLAI
EPSS
VEX
Summary
Malicious HTML content could be injected into the page pretix shows when
redirection to an untrusted page occurs. Since this page has a
Content-Security-Policy, this can mainly be used for phishing purposes.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-25 15:05 UTC
CWE
- CWE-80 - Improper neutralization of Script-Related HTML tags in a web page (basic XSS)
Assigner
References
1 reference
Impacted products
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CVE-2026-57535 (GCVE-0-2026-57535)
Vulnerability from cvelistv5 – Published: 2026-06-25 14:29 – Updated: 2026-06-25 15:10
VLAI
EPSS
VEX
Summary
Content injected to PDF rendering contexts could, in many places, include HTML content including <img> tags. If the src
attribute of these images pointed to an URL, the PDF rendering engine
would download the image from that place and display it, thereby leaking
information about the rendering server and possibly creating an SSRF
vector in the local network.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-25 15:10 UTC
CWE
- CWE-80 - Improper neutralization of Script-Related HTML tags in a web page (basic XSS)
Assigner
References
1 reference
Impacted products
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CVE-2026-13225 (GCVE-0-2026-13225)
Vulnerability from cvelistv5 – Published: 2026-06-25 14:26 – Updated: 2026-06-25 15:11
VLAI
EPSS
VEX
Title
Stored XSS in ticket confirmation page
Summary
Malicious HTML content could be injected into the email address of an
order, which pretix showed without sanitization on the confirmation page
for individual tickets in that order.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-25 15:11 UTC
CWE
- CWE-80 - Improper neutralization of Script-Related HTML tags in a web page (basic XSS)
Assigner
References
1 reference
Impacted products
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CVE-2026-57534 (GCVE-0-2026-57534)
Vulnerability from cvelistv5 – Published: 2026-06-25 14:11 – Updated: 2026-06-25 15:12
VLAI
EPSS
VEX
Title
Stored XSS in pretix-pages
Summary
Malicious HTML content could be injected into the content of a page in the pretix-pages plugin.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-25 15:12 UTC
CWE
- CWE-80 - Improper neutralization of Script-Related HTML tags in a web page (basic XSS)
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| pretix | pretix-pages |
Affected:
0 , < 1.6.4
(python)
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CVE-2026-57536 (GCVE-0-2026-57536)
Vulnerability from cvelistv5 – Published: 2026-06-25 14:08 – Updated: 2026-06-25 15:13
VLAI
EPSS
VEX
Title
Insufficient validation of payment status in pretix-mollie
Summary
Our payment integration with Mollie did not properly validate payment
status responses. An attacker could use a successful payment status
response from one payment and supply it to the system for a different
payment, gaining access to multiple valid tickets with only one payment.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-25 15:13 UTC
CWE
- CWE-841 - Improper enforcement of behavioral workflow
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| pretix | pretix-mollie |
Affected:
0 , < 2.5.6
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CVE-2026-13222 (GCVE-0-2026-13222)
Vulnerability from cvelistv5 – Published: 2026-06-25 14:07 – Updated: 2026-06-25 15:13
VLAI
EPSS
VEX
Title
Insufficient validation of payment status in pretix-oppwa
Summary
Our payment integration with Oppwa-based payment methods did not
properly validate payment status responses. An attacker could use a
successful payment status response from one payment and supply it to the
system for a different payment, gaining access to multiple valid
tickets with only one payment.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-25 15:13 UTC
CWE
- CWE-841 - Improper enforcement of behavioral workflow
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| pretix | pretix-oppwa |
Affected:
0 , < 1.4.3
(python)
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CVE-2026-13223 (GCVE-0-2026-13223)
Vulnerability from cvelistv5 – Published: 2026-06-25 14:03 – Updated: 2026-06-25 15:14
VLAI
EPSS
VEX
Title
Insufficient validation of payment status in pretix-computop
Summary
Our payment integration with Computop-based payment methods did not
properly validate payment status responses. An attacker could use a
successful payment status response from one payment and supply it to the
system for a different payment, gaining access to multiple valid
tickets with only one payment.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-25 15:14 UTC
CWE
- CWE-841 - Improper enforcement of behavioral workflow
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| pretix | pretix-computop |
Affected:
0 , < 1.3.2
(python)
|
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CVE-2026-13314 (GCVE-0-2026-13314)
Vulnerability from cvelistv5 – Published: 2026-06-25 13:53 – Updated: 2026-06-25 15:14
VLAI
EPSS
VEX
Title
Stored XSS in pretix-digital
Summary
Malicious HTML content could be injected into the content rendered by the pretix-digital plugin.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-25 15:14 UTC
CWE
- CWE-80 - Improper neutralization of Script-Related HTML tags in a web page (basic XSS)
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| pretix | pretix-digital |
Affected:
0 , < 1.6.5
(python)
|
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CVE-2026-12863 (GCVE-0-2026-12863)
Vulnerability from cvelistv5 – Published: 2026-06-22 08:41 – Updated: 2026-06-23 11:54
VLAI
EPSS
VEX
Title
Open redirect
Summary
An unvalidated redirect was contained in Venueless' social login functionality and could be exploited for phishing using trusted domains.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-22 10:27 UTC
CWE
- CWE-601 - URL redirection to untrusted site ('open redirect')
Assigner
References
1 reference
Impacted products
Date Public
2026-06-22 08:18
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CVE-2026-12862 (GCVE-0-2026-12862)
Vulnerability from cvelistv5 – Published: 2026-06-22 08:26 – Updated: 2026-06-22 12:23
VLAI
EPSS
VEX
Title
XLSX formula injection in exports
Summary
Untrusted user data was passed verbatim to Excel exports for administrators. This allowed formula injection which can be used to compromise the environment of the user loading the file or other data in the file.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-22 12:23 UTC
CWE
- CWE-148 - Improper neutralization of input leaders
Assigner
References
1 reference
Impacted products
Date Public
2026-06-22 08:18
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CVE-2026-11764 (GCVE-0-2026-11764)
Vulnerability from cvelistv5 – Published: 2026-06-09 11:54 – Updated: 2026-06-09 13:49
VLAI
EPSS
VEX
Title
Data exposed without proper permission
Summary
When creating an export of all reusable media, the secrets of connected
gift cards were included in the export even if the user creating the
export does not have permission to view gift cards. This is inconsistent
with the UI and API where only the first letters of the gift card
secret are shown. Therefore, it allows circumventing a permission
boundary.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-09 13:49 UTC
CWE
- CWE-280 - Improper handling of insufficient permissions or privileges
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://pretix.eu/about/en/blog/20260609-release-… | vendor-advisory |
Impacted products
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CVE-2026-9712 (GCVE-0-2026-9712)
Vulnerability from cvelistv5 – Published: 2026-05-27 14:35 – Updated: 2026-05-28 15:39
VLAI
EPSS
VEX
Title
Insecure direct object reference
Summary
When creating an export through the pretix API, API clients are
returned an UUID value for their export job (a long, random string like
35742818-c375-4d15-839f-d49aecce94d6). Using this UUID, the API client
can then request the actual file for download. The same kind of UUID is
used in other places in pretix when temporary files are generated for
internal use or download.
One remaining API endpoint, however, wrongfully did not verify if the
UUID used for download actually belongs to a file that is supposed to
be downloadable and belongs to the correct user. In reality, this is
hard to exploit because an attacker would need to have access to a valid
UUID for the file they desire which is unlikely to happen without a
separate security problem giving them access to logs etc.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-28 15:39 UTC
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
1 reference
| URL | Tags |
|---|---|
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CVE-2026-5600 (GCVE-0-2026-5600)
Vulnerability from cvelistv5 – Published: 2026-04-08 12:24 – Updated: 2026-04-08 16:03
VLAI
EPSS
VEX
Summary
A new API endpoint introduced in pretix 2025 that is supposed to
return all check-in events of a specific event in fact returns all
check-in events belonging to the respective organizer. This allows an
API consumer to access information for all other events under the same
organizer, even those they should not have access to.
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"successful": true,
"error_reason": null,
"error_explanation": null,
"position": 321,
"datetime": "2020-08-23T09:00:00+02:00",
"list": 456,
"created": "2020-08-23T09:00:00+02:00",
"auto_checked_in": false,
"gate": null,
"device": 1,
"device_id": 1,
"type": "entry"
}
An unauthorized user usually has no way to match these IDs (position) back to individual people.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-08 16:02 UTC
CWE
- CWE-653 - Improper isolation or compartmentalization
Assigner
References
1 reference
Impacted products
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CVE-2026-5599 (GCVE-0-2026-5599)
Vulnerability from cvelistv5 – Published: 2026-04-05 12:36 – Updated: 2026-04-06 14:33
VLAI
EPSS
VEX
Title
API allows deletion of users of other instance
Summary
A user with API access and "manage users" permission in any venueless
world is able to trigger deletion of user accounts in other worlds.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-06 14:32 UTC
CWE
- CWE-653 - Improper isolation or compartmentalization
Assigner
References
1 reference
Impacted products
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CVE-2026-4982 (GCVE-0-2026-4982)
Vulnerability from cvelistv5 – Published: 2026-03-27 12:32 – Updated: 2026-03-27 19:39
VLAI
EPSS
VEX
Title
Unauthorized access to chat contents
Summary
A user with permission "update world" in any Venueless world is able to exfiltrate chat messages from direct messages or channels in other worlds on the same server due to a bug in the reporting feature.
The exploitability is limited by the fact that the attacker needs to know the internal channel UUID of the chat channel, which is unlikely to be obtained by an outside attacker, especially for direct messages.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-27 19:23 UTC
CWE
- CWE-20 - Improper input validation
Assigner
References
1 reference
Impacted products
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CVE-2026-2452 (GCVE-0-2026-2452)
Vulnerability from cvelistv5 – Published: 2026-02-16 10:16 – Updated: 2026-02-17 17:06
VLAI
EPSS
VEX
Title
Unsafe variable evaluation in email templates
Summary
Emails sent by pretix can utilize placeholders that will be filled with customer data. For example, when {name}
is used in an email template, it will be replaced with the buyer's
name for the final email. This mechanism contained a security-relevant bug:
It was possible to exfiltrate information about the pretix system through specially crafted placeholder names such as {{event.__init__.__code__.co_filename}}.
This way, an attacker with the ability to control email templates
(usually every user of the pretix backend) could retrieve sensitive
information from the system configuration, including even database
passwords or API keys. pretix does include mechanisms to prevent the usage of such
malicious placeholders, however due to a mistake in the code, they were
not fully effective for this plugin.
Out of caution, we recommend that you rotate all passwords and API keys contained in your pretix.cfg https://docs.pretix.eu/self-hosting/config/ file.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-17 16:43 UTC
CWE
- CWE-627 - Dynamic Variable Evaluation
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://pretix.eu/about/en/blog/20260216-release-… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| pretix | pretix-newsletter |
Affected:
1.0.0 , < 2.0.0
(python)
Affected: 2.0.0 , < 2.0.1 (python) |
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CVE-2026-2451 (GCVE-0-2026-2451)
Vulnerability from cvelistv5 – Published: 2026-02-16 10:16 – Updated: 2026-02-17 17:06
VLAI
EPSS
VEX
Title
Unsafe variable evaluation in email templates
Summary
Emails sent by pretix can utilize placeholders that will be filled with customer data. For example, when {name}
is used in an email template, it will be replaced with the buyer's
name for the final email. This mechanism contained a security-relevant bug:
It was possible to exfiltrate information about the pretix system through specially crafted placeholder names such as {{event.__init__.__code__.co_filename}}.
This way, an attacker with the ability to control email templates
(usually every user of the pretix backend) could retrieve sensitive
information from the system configuration, including even database
passwords or API keys. pretix does include mechanisms to prevent the usage of such
malicious placeholders, however due to a mistake in the code, they were
not fully effective for this plugin.
Out of caution, we recommend that you rotate all passwords and API keys contained in your pretix.cfg file.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-17 16:43 UTC
CWE
- CWE-627 - Dynamic Variable Evaluation
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://pretix.eu/about/en/blog/20260216-release-… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| pretix | pretix-doistep |
Affected:
1.0.0 , < 1.3.2
(python)
|
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