Common Weakness Enumeration
CWE-345
DiscouragedInsufficient Verification of Data Authenticity
Abstraction: Class · Status: Draft
The product does not sufficiently verify the origin or authenticity of data, in a way that causes it to accept invalid data.
1210 vulnerabilities reference this CWE, most recent first.
CVE-2026-102831 (GCVE-0-2026-102831)
Vulnerability from cvelistv5 – Published: 2026-09-29 18:58 – Updated: 2026-09-29 18:58
VLAI
EPSS
VEX
Title
JupyterLab: Cross-site scripting (XSS) in JupyterLab via notebook cells pasted from the system clipboard
Summary
JupyterLab is an extensible environment for interactive and reproducible computing, based on the Jupyter Notebook Architecture. From JupyterLab 4.5.0 until 4.5.11 and 4.6.4, from Notebook 7.5.0 until 7.6.3, and from JupyterLite Core 0.7.0 until 0.8.4, the system clipboard cell-paste path accepts attacker-controlled cell JSON without clearing metadata.trusted. When useSystemClipboardForCells is active and pasteCodeCellsWithoutOutput is disabled, a pasted code cell can mark HTML output as trusted, bypass output sanitization, and execute script in the authenticated JupyterLab origin without executing the cell. Markdown and raw cells are not affected because their output is sanitized. This issue is fixed in JupyterLab 4.5.11 and 4.6.4, Notebook 7.6.3, and JupyterLite Core 0.8.4.
Severity
8.1 (High)
CWE
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://github.com/jupyterlab/jupyterlab/security… | x_refsource_CONFIRM |
| https://github.com/jupyterlab/jupyterlab/commit/1… | x_refsource_MISC |
| https://github.com/jupyterlab/jupyterlab/commit/7… | x_refsource_MISC |
| https://github.com/jupyterlab/jupyterlab/commit/c… | x_refsource_MISC |
| https://github.com/jupyterlab/jupyterlab/releases… | x_refsource_MISC |
| https://github.com/jupyterlab/jupyterlab/releases… | x_refsource_MISC |
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| jupyterlab | jupyterlab |
Affected:
>= 4.5.0, < 4.5.11
Affected: >= 4.6.0, < 4.6.4 |
|
| jupyterlab | notebook |
Affected:
>= 7.5.0, < 7.6.3
|
|
| jupyterlab | jupyterlite-core |
Affected:
>= 0.7.0, < 0.8.4
|
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CVE-2026-102711 (GCVE-0-2026-102711)
Vulnerability from cvelistv5 – Published: 2026-09-29 17:38 – Updated: 2026-09-29 21:01
VLAI
EPSS
VEX
Summary
Two issues in the ThreadX loadable-module loader, reached when a device loads an attacker-controlled module object via `_txm_module_manager_memory_load` / `_txm_module_manager_in_place_load` — APIs that take ONLY a base pointer, no image length, so every size/offset field in `TXM_MODULE_PREAMBLE` is fully attacker-trusted: (1) a heap OOB **read** (`code_size` trusted as the source-image length in the code-copy loop), and (2) a control-flow-integrity / defense-in-depth gap (module entry/start/callback/stop pointers computed as `code_start + preamble_offset` with only a `!= 0` check, and the preamble `checksum` never verified). No controlled OOB write was found (honest — the copy destination is overflow-guarded).
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-29 20:57 UTC
CWE
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Eclipse Foundation | `eclipse-threadx/threadx` (module manager / loadable-module loader) |
Affected:
current HEAD and prior (the `_txm_module_manager_*_load` APIs take no image length).
(custom)
|
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CVE-2026-102677 (GCVE-0-2026-102677)
Vulnerability from cvelistv5 – Published: 2026-09-29 17:43 – Updated: 2026-09-29 17:43
VLAI
EPSS
VEX
Title
Electron: Sandboxed preload code cache can be poisoned by a compromised renderer
Summary
Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. From 42.3.3 until 42.10.0, 43.5.0, and 44.0.0-beta.6, Electron's sandboxed preload code cache did not verify that a cached entry matched the preload it was served for. A compromised renderer could write attacker-controlled cache data and cause Electron to reuse it for a later load, executing the renderer's code in the more privileged preload context. The issue affects applications that load untrusted content. This issue is fixed in versions 42.10.0, 43.5.0, and 44.0.0-beta.6.
Severity
7.8 (High)
Assigner
References
8 references
| URL | Tags |
|---|---|
| https://github.com/electron/electron/security/adv… | x_refsource_CONFIRM |
| https://github.com/electron/electron/pull/52480 | x_refsource_MISC |
| https://github.com/electron/electron/commit/00045… | x_refsource_MISC |
| https://github.com/electron/electron/commit/25ba8… | x_refsource_MISC |
| https://github.com/electron/electron/commit/c38d6… | x_refsource_MISC |
| https://github.com/electron/electron/releases/tag… | x_refsource_MISC |
| https://github.com/electron/electron/releases/tag… | x_refsource_MISC |
| https://github.com/electron/electron/releases/tag… | x_refsource_MISC |
Impacted products
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CVE-2026-102275 (GCVE-0-2026-102275)
Vulnerability from cvelistv5 – Published: 2026-09-28 20:46 – Updated: 2026-09-29 13:56
VLAI
EPSS
VEX
Title
PyJWT accepts inconsistent OKP x/d JWKs, causing public/private key identity confusion
Summary
PyJWT is a Python implementation of JSON Web Token standards. From 2.1.0 until 2.15.0, PyJWT OKPAlgorithm.from_jwk in jwt/algorithms.py is affected because private-JWK import path does not compare the public key derived from d with x. This occurs when an OKP private JWK supplies non-corresponding x and d components. As a result, identity derived from x can differ from operations performed with d. Consequently, if an integration also accepts private key parameters from a proof header without rejecting them, an attacker may use a stolen sender-constrained token without the legitimate private key. This issue is fixed in version 2.15.0.
Severity
6.5 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-29 13:56 UTC
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/jpadilla/pyjwt/security/adviso… | x_refsource_CONFIRM |
| https://github.com/jpadilla/pyjwt/commit/3cd9ceec… | x_refsource_MISC |
| https://github.com/jpadilla/pyjwt/releases/tag/2.15.0 | x_refsource_MISC |
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CVE-2026-102267 (GCVE-0-2026-102267)
Vulnerability from cvelistv5 – Published: 2026-09-28 20:23 – Updated: 2026-10-01 14:56
VLAI
EPSS
VEX
Title
PyJWT: PyJWKClient follows redirects when fetching JWKS
Summary
PyJWT is a Python implementation of JSON Web Token standards. Prior to 2.14.0, PyJWT PyJWKClient is affected because redirect destinations are not revalidated against the JWKS trust boundary. This occurs when a configured trusted JWKS endpoint returns an attacker-influenced redirect. As a result, PyJWKClient follows the redirect and consumes the redirected response as key material. Consequently, forwarded credentials may be disclosed or verification keys may be substituted. This issue is fixed in version 2.14.0.
Severity
7.4 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-01 14:56 UTC
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/jpadilla/pyjwt/security/adviso… | x_refsource_CONFIRM |
| https://github.com/jpadilla/pyjwt/commit/0a795b8e… | x_refsource_MISC |
| https://github.com/jpadilla/pyjwt/releases/tag/2.14.0 | x_refsource_MISC |
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CVE-2026-102140 (GCVE-0-2026-102140)
Vulnerability from cvelistv5 – Published: 2026-09-30 20:11 – Updated: 2026-10-01 13:37
VLAI
EPSS
VEX
Title
Kiteworks Core Insufficient Verification of Data Authenticity
Summary
An authenticated administrator could initiate an administrative import using a file whose contents were not fully verified, because the import validated only the file's header rather than the complete file. This could allow unverified or forged content to be accepted and processed, affecting the integrity of the imported data.
Severity
4.9 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-01 13:26 UTC
CWE
- CWE-345 - Insufficient Verification of Data Authenticity
References
Impacted products
Date Public
2026-09-30 00:00
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CVE-2026-101278 (GCVE-0-2026-101278)
Vulnerability from cvelistv5 – Published: 2026-09-29 00:00 – Updated: 2026-10-01 15:23
VLAI
EPSS
VEX
Title
Trusted Domain Project OpenDMARC PSL Wildcard opendmarc_tld.c : opendmarc_get_tld origin validation
Summary
A weakness has been identified in Trusted Domain Project OpenDMARC up to 1.4.2. This affects the function opendmarc_get_tld of the file libopendmarc/opendmarc_tld.c : of the component PSL Wildcard Handler. Executing a manipulation can lead to origin validation error. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-01 15:23 UTC
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/411035 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/411035/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-101278 | third-party-advisory |
| https://vuldb.com/submit/918273 | third-party-advisory |
| https://xuyongzhe-vt.github.io/share/opendmarc-ps… | exploit |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Trusted Domain Project | OpenDMARC |
Affected:
1.4.0
Affected: 1.4.1 Affected: 1.4.2 cpe:2.3:a:trusted_domain_project:opendmarc:*:*:*:*:*:*:*:* |
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CVE-2026-100872 (GCVE-0-2026-100872)
Vulnerability from cvelistv5 – Published: 2026-09-27 13:09 – Updated: 2026-09-28 15:09
VLAI
EPSS
VEX
Title
Sylius 2.x before 2.1.16 and 2.2.9 Payment Amount Overwrite
Summary
Sylius versions before 2.1.16 and 2.2.9 fail to validate payment amounts during cart recalculation, allowing unauthenticated attackers to modify order totals after gateway transaction initiation. Attackers can pay a small amount, enlarge the order after gateway capture, and have the system mark the inflated order as fully paid while the gateway captured only the original amount.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-28 15:05 UTC
CWE
- CWE-345 - Insufficient Verification of Data Authenticity
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://github.com/Sylius/Sylius/security/advisor… | vendor-advisory |
| https://github.com/Sylius/Sylius/pull/19216 | patchissue-tracking |
| https://github.com/Sylius/Sylius/commit/9e9aeaacb… | patch |
| https://github.com/Sylius/Sylius/releases/tag/v2.2.9 | release-notes |
| https://github.com/Sylius/Sylius | product |
| https://www.vulncheck.com/advisories/sylius-2-x-b… | third-party-advisory |
Impacted products
Date Public
2026-09-02 00:00
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CVE-2026-94612 (GCVE-0-2026-94612)
Vulnerability from cvelistv5 – Published: 2026-09-24 16:16 – Updated: 2026-09-24 17:15
VLAI
EPSS
VEX
Title
authentik: Authentication bypass via assertion confusion in SAML sources
Summary
authentik is an open-source identity provider. Prior to 2026.2.7, 2026.5.7, and 2026.8.2, an authentik SAML Source verifies an assertion's signature and validity period but does not ensure that the identity provider issued the assertion for that Source or in response to a login request from that Source. The SAML Source also does not record already accepted assertions, allowing replay. An unauthenticated actor who possesses such a valid assertion can use an assertion intended for another service provider or reuse an earlier assertion to authenticate as the user named by the assertion. Only SAML Sources are affected; SAML Providers and other Source types are not affected. This issue is fixed in versions 2026.2.7, 2026.5.7, and 2026.8.2.
Severity
7.4 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-24 17:15 UTC
Assigner
References
15 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| goauthentik | authentik |
Affected:
< 2026.2.7
Affected: >= 2026.5.0, < 2026.5.7 Affected: >= 2026.8.0, < 2026.8.2 |
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CVE-2026-94455 (GCVE-0-2026-94455)
Vulnerability from cvelistv5 – Published: 2026-09-22 16:17 – Updated: 2026-09-22 18:14
VLAI
EPSS
VEX
Title
Unauthenticated /enterprise/create-user mints lifetime top-tier organizations and discloses their API key
Summary
An HTTP endpoint intended for provisioning enterprise and reseller organisations is reachable without any session. The authentication middleware is bound only to an explicit list of controllers, and the enterprise controller is not on that list, so no authentication runs for these routes.
The endpoint's only check is that the request body carries a token bearing a valid signature from the instance secret. It does not check what that token was issued for. Login tokens are signed with the same secret and carry no purpose, audience or expiry claim, so an ordinary user's own session token satisfies the check.
Presented with such a token, the endpoint creates a new organisation holding the highest subscription tier, flagged as lifetime and with a channel allowance far above any sold plan, creates an organisation-owner account alongside it, and returns the new organisation's API key in the response body. That key is immediately valid against the public API.
Severity
7.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-22 18:13 UTC
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/gitroomhq/postiz-app | product |
| https://github.com/gitroomhq/postiz-app/releases/… | release-notes |
| https://github.com/gitroomhq/postiz-app/commit/92… | patch |
| https://gadvisory.org/advisories/PSA-2026-P8W1J0 | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| GitroomHQ | postiz-app |
Affected:
0 , < 2.4.0
(semver)
|
Date Public
2026-09-22 14:36
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"cweId": "CWE-345",
"description": "CWE-345",
"lang": "en",
"type": "CWE"
},
{
"cweId": "CWE-770",
"description": "CWE-770",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-09-22T16:17:00.413Z",
"orgId": "4cdc9741-f887-419a-a2fd-acbbd2729276",
"shortName": "postiz"
},
"references": [
{
"name": "Postiz",
"tags": [
"product"
],
"url": "https://github.com/gitroomhq/postiz-app"
},
{
"name": "v2.24.0",
"tags": [
"release-notes"
],
"url": "https://github.com/gitroomhq/postiz-app/releases/tag/v2.24.0"
},
{
"name": "9259cf2",
"tags": [
"patch"
],
"url": "https://github.com/gitroomhq/postiz-app/commit/9259cf2429e8cc0c88414e88d5e6c783d7ffba63"
},
{
"name": "GAdvisory",
"tags": [
"vendor-advisory"
],
"url": "https://gadvisory.org/advisories/PSA-2026-P8W1J0"
}
],
"timeline": [
{
"lang": "en",
"time": "2026-09-21T13:34:00.000Z",
"value": "Postiz has received and acknowledged the report."
},
{
"lang": "en",
"time": "2026-09-21T20:15:00.000Z",
"value": "Postiz has verified the report."
},
{
"lang": "en",
"time": "2026-09-22T04:32:00.000Z",
"value": "Postiz has developed and verified the patch."
},
{
"lang": "en",
"time": "2026-09-22T14:17:00.000Z",
"value": "Postiz has released the patch notes and published the advisory."
}
],
"title": "Unauthenticated /enterprise/create-user mints lifetime top-tier organizations and discloses their API key",
"workarounds": [
{
"lang": "en",
"value": "Block POST /enterprise/create-user, and preferably all of /enterprise/*, at your reverse proxy, ingress or WAF. If you do not use Postiz\u0027s enterprise or reseller provisioning integration, nothing legitimate calls these routes, so blocking them has no user-visible effect."
},
{
"lang": "en",
"value": "Set DISABLE_REGISTRATION=true. The caller needs an ordinary account on your instance to obtain a usable token, so closing self-registration limits exposure to people who already have one. This reduces reach, it does not close the issue."
}
]
}
},
"cveMetadata": {
"assignerOrgId": "4cdc9741-f887-419a-a2fd-acbbd2729276",
"assignerShortName": "postiz",
"cveId": "CVE-2026-94455",
"datePublished": "2026-09-22T16:17:00.413Z",
"dateReserved": "2026-09-21T17:10:50.156Z",
"dateUpdated": "2026-09-22T18:14:13.947Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
No mitigation information available for this CWE.
CAPEC-111: JSON Hijacking (aka JavaScript Hijacking)
An attacker targets a system that uses JavaScript Object Notation (JSON) as a transport mechanism between the client and the server (common in Web 2.0 systems using AJAX) to steal possibly confidential information transmitted from the server back to the client inside the JSON object by taking advantage of the loophole in the browser's Same Origin Policy that does not prohibit JavaScript from one website to be included and executed in the context of another website.
CAPEC-141: Cache Poisoning
An attacker exploits the functionality of cache technologies to cause specific data to be cached that aids the attackers' objectives. This describes any attack whereby an attacker places incorrect or harmful material in cache. The targeted cache can be an application's cache (e.g. a web browser cache) or a public cache (e.g. a DNS or ARP cache). Until the cache is refreshed, most applications or clients will treat the corrupted cache value as valid. This can lead to a wide range of exploits including redirecting web browsers towards sites that install malware and repeatedly incorrect calculations based on the incorrect value.
CAPEC-142: DNS Cache Poisoning
A domain name server translates a domain name (such as www.example.com) into an IP address that Internet hosts use to contact Internet resources. An adversary modifies a public DNS cache to cause certain names to resolve to incorrect addresses that the adversary specifies. The result is that client applications that rely upon the targeted cache for domain name resolution will be directed not to the actual address of the specified domain name but to some other address. Adversaries can use this to herd clients to sites that install malware on the victim's computer or to masquerade as part of a Pharming attack.
CAPEC-148: Content Spoofing
An adversary modifies content to make it contain something other than what the original content producer intended while keeping the apparent source of the content unchanged. The term content spoofing is most often used to describe modification of web pages hosted by a target to display the adversary's content instead of the owner's content. However, any content can be spoofed, including the content of email messages, file transfers, or the content of other network communication protocols. Content can be modified at the source (e.g. modifying the source file for a web page) or in transit (e.g. intercepting and modifying a message between the sender and recipient). Usually, the adversary will attempt to hide the fact that the content has been modified, but in some cases, such as with web site defacement, this is not necessary. Content Spoofing can lead to malware exposure, financial fraud (if the content governs financial transactions), privacy violations, and other unwanted outcomes.
CAPEC-218: Spoofing of UDDI/ebXML Messages
An attacker spoofs a UDDI, ebXML, or similar message in order to impersonate a service provider in an e-business transaction. UDDI, ebXML, and similar standards are used to identify businesses in e-business transactions. Among other things, they identify a particular participant, WSDL information for SOAP transactions, and supported communication protocols, including security protocols. By spoofing one of these messages an attacker could impersonate a legitimate business in a transaction or could manipulate the protocols used between a client and business. This could result in disclosure of sensitive information, loss of message integrity, or even financial fraud.
CAPEC-384: Application API Message Manipulation via Man-in-the-Middle
An attacker manipulates either egress or ingress data from a client within an application framework in order to change the content of messages. Performing this attack can allow the attacker to gain unauthorized privileges within the application, or conduct attacks such as phishing, deceptive strategies to spread malware, or traditional web-application attacks. The techniques require use of specialized software that allow the attacker to perform adversary-in-the-middle (CAPEC-94) communications between the web browser and the remote system. Despite the use of AiTH software, the attack is actually directed at the server, as the client is one node in a series of content brokers that pass information along to the application framework. Additionally, it is not true "Adversary-in-the-Middle" attack at the network layer, but an application-layer attack the root cause of which is the master applications trust in the integrity of code supplied by the client.
CAPEC-385: Transaction or Event Tampering via Application API Manipulation
An attacker hosts or joins an event or transaction within an application framework in order to change the content of messages or items that are being exchanged. Performing this attack allows the attacker to manipulate content in such a way as to produce messages or content that look authentic but may contain deceptive links, substitute one item or another, spoof an existing item and conduct a false exchange, or otherwise change the amounts or identity of what is being exchanged. The techniques require use of specialized software that allow the attacker to man-in-the-middle communications between the web browser and the remote system in order to change the content of various application elements. Often, items exchanged in game can be monetized via sales for coin, virtual dollars, etc. The purpose of the attack is for the attack to scam the victim by trapping the data packets involved the exchange and altering the integrity of the transfer process.
CAPEC-386: Application API Navigation Remapping
An attacker manipulates either egress or ingress data from a client within an application framework in order to change the destination and/or content of links/buttons displayed to a user within API messages. Performing this attack allows the attacker to manipulate content in such a way as to produce messages or content that looks authentic but contains links/buttons that point to an attacker controlled destination. Some applications make navigation remapping more difficult to detect because the actual HREF values of images, profile elements, and links/buttons are masked. One example would be to place an image in a user's photo gallery that when clicked upon redirected the user to an off-site location. Also, traditional web vulnerabilities (such as CSRF) can be constructed with remapped buttons or links. In some cases navigation remapping can be used for Phishing attacks or even means to artificially boost the page view, user site reputation, or click-fraud.
CAPEC-387: Navigation Remapping To Propagate Malicious Content
An adversary manipulates either egress or ingress data from a client within an application framework in order to change the content of messages and thereby circumvent the expected application logic.
CAPEC-388: Application API Button Hijacking
An attacker manipulates either egress or ingress data from a client within an application framework in order to change the destination and/or content of buttons displayed to a user within API messages. Performing this attack allows the attacker to manipulate content in such a way as to produce messages or content that looks authentic but contains buttons that point to an attacker controlled destination.
CAPEC-665: Exploitation of Thunderbolt Protection Flaws
An adversary leverages a firmware weakness within the Thunderbolt protocol, on a computing device to manipulate Thunderbolt controller firmware in order to exploit vulnerabilities in the implementation of authorization and verification schemes within Thunderbolt protection mechanisms. Upon gaining physical access to a target device, the adversary conducts high-level firmware manipulation of the victim Thunderbolt controller SPI (Serial Peripheral Interface) flash, through the use of a SPI Programing device and an external Thunderbolt device, typically as the target device is booting up. If successful, this allows the adversary to modify memory, subvert authentication mechanisms, spoof identities and content, and extract data and memory from the target device. Currently 7 major vulnerabilities exist within Thunderbolt protocol with 9 attack vectors as noted in the Execution Flow.
CAPEC-701: Browser in the Middle (BiTM)
An adversary exploits the inherent functionalities of a web browser, in order to establish an unnoticed remote desktop connection in the victim's browser to the adversary's system. The adversary must deploy a web client with a remote desktop session that the victim can access.