Common Weakness Enumeration

CWE-918

Allowed

Server-Side Request Forgery (SSRF)

Abstraction: Base · Status: Incomplete

API response cwe.mitre.org

The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination.

6243 vulnerabilities reference this CWE, most recent first.

CVE-2026-77648 (GCVE-0-2026-77648)

Vulnerability from cvelistv5 – Published: 2026-08-20 22:37 – Updated: 2026-08-24 16:00
VLAI
Summary
In OpenStack Glance through 32.0.0, the /v2/tasks API accepts type=import tasks that bypass import_filtering_opts, allowing an admin to fetch internal URLs from the Glance service network (aka SSRF), as long as https:// or http:// is used. This API has been available only to admins since Xena, and it has been deprecated for several releases.
Severity
2.2 (Low)
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-24 15:59 UTC
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
Vendor Product Version
OpenStack Glance Affected: 30.0.0 , < 30.3.0 (semver)
Affected: 31.0.0 , < 31.1.1 (semver)
Affected: 32.0.0 (semver)
    cpe:2.3:a:openstack:glance:*:*:*:*:*:*:*:*
    cpe:2.3:a:openstack:glance:*:*:*:*:*:*:*:*
    cpe:2.3:a:openstack:glance:*:*:*:*:*:*:*:*
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Show details on NVD website
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CVE-2026-77646 (GCVE-0-2026-77646)

Vulnerability from cvelistv5 – Published: 2026-08-20 22:11 – Updated: 2026-08-21 20:08
VLAI
Title
Server Side Request Forgery (SSRF) vulnerability reported in Windchill
Summary
A Server-Side Request Forgery (SSRF) vulnerability has been reported in PTC Windchill PDMLink and PTC FlexPLM. The vulnerability may be exploited through the deserialization of untrusted data.
Severity
7.7 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N/AU:Y/R:U/V:D/RE:M/U:Red
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-21 19:49 UTC
CWE
  • CWE-502 - Deserialization of untrusted data
  • CWE-918 - Server-Side request forgery (SSRF)
Assigner
References
URL Tags
https://www.ptc.com/en/support/article/CS474826 vendor-advisorymitigationpermissions-required
Impacted products
Vendor Product Version
PTC Windchill PDMLink Affected: 11.0 M030
Affected: 11.1 M020
Affected: 11.2.1.0
Affected: 12.0.2.0
Affected: 12.1.2.0
Affected: 13.0.2.0
Affected: 13.1.0.0
Affected: 13.1.1.0
Affected: 13.1.2.0
Affected: 13.1.3.0
Create a notification for this product.
PTC FlexPLM Affected: 11.0 M030
Affected: 11.1 M020
Affected: 11.2.1.0
Affected: 12.0.0.0
Affected: 12.0.2.0
Affected: 12.0.3.0
Affected: 12.1.2.0
Affected: 12.1.3.0
Affected: 13.0.2.0
Affected: 13.0.3.0
Create a notification for this product.
Credits
Richard Clifford of Rootshell Security (https://www.rootshellsecurity.net/)
Show details on NVD website
To clipboard 

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CVE-2026-77581 (GCVE-0-2026-77581)

Vulnerability from cvelistv5 – Published: 2026-09-24 15:23 – Updated: 2026-09-24 15:37
VLAI
Title
BentoPDF: SSRF in cors-proxy-worker.js via DNS-based hostname allowlist bypass
Summary
BentoPDF is a client-side PDF toolkit that is self hostable. In 2.8.6 and earlier, the certificate and timestamp CORS proxy in cloudflare/cors-proxy-worker.js uses isPrivateOrReservedHost() to validate a supplied hostname separately from the DNS resolution used by fetch(targetUrl), allowing an attacker-controlled hostname to resolve to an internal or reserved destination after validation. A certificate-like path can satisfy ALLOWED_PATH_PATTERNS, and direct clients can forge the browser-oriented Origin header. Deployments without PROXY_SECRET skip the optional signature check, while the signature is an anti-abuse measure rather than a destination-security boundary. The proxy has a 10 MB response limit and can relay response bodies from reachable destinations. The advisory identifies both the official Worker deployment and self-hosted instances as impacted where the Worker execution environment can reach internal or reserved destinations. This vulnerability is fixed in 2.8.7.
Severity
8.6 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-24 15:37 UTC
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
Vendor Product Version
alam00000 bentopdf Affected: < 2.8.7
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-77573 (GCVE-0-2026-77573)

Vulnerability from cvelistv5 – Published: 2026-08-26 20:48 – Updated: 2026-08-27 14:18
VLAI
Title
Weblate: DNS rebinding in VCS operations allows server-side request forgery
Summary
Weblate is a web-based continuous localization platform used to manage software translations. In versions prior to 2026.8, a user permitted to manage component repository URLs can perform server-side request forgery against internal services through DNS rebinding during VCS operations. Weblate validates the hostname's first DNS resolution, but the external VCS clients that later connect perform a separate DNS lookup, so an attacker-controlled hostname that initially resolves to a public address can be re-pointed to an internal or private address before the connection is made. By triggering a clone, fetch, push, or similar remote operation, the attacker can cause Weblate to reach internal VCS-compatible services and potentially expose private repository contents. Installations that permit untrusted repository hostnames while using VCS_RESTRICT_PRIVATE=True are affected. This issue is fixed in version 2026.8.
Severity
3.5 (Low)
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-27 14:18 UTC
CWE
  • CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
Vendor Product Version
WeblateOrg weblate Affected: < 2026.8
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Show details on NVD website
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CVE-2026-77522 (GCVE-0-2026-77522)

Vulnerability from cvelistv5 – Published: 2026-09-21 20:44 – Updated: 2026-09-24 22:45
VLAI
Title
MaxKB: Authenticated full-read SSRF via the knowledge web-document import/sync crawler (Fork.fork requests.get, no internal-IP guard, non-blind)
Summary
MaxKB is an open-source AI assistant for enterprise. In version 2.10.3-lts and earlier, the knowledge web-document import and synchronization crawler passes an authenticated workspace user's URL to Fork.fork, which calls requests.get with verify=False and without restricting schemes, loopback, link-local, private, or reserved addresses. The response body is converted into imported document content, allowing a low-privileged user to read cloud metadata or internal HTTP services through the MaxKB server. No fixed version is available as of this review.
Severity
4.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-24 22:44 UTC
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
Vendor Product Version
1Panel-dev MaxKB Affected: <= 2.10.3-lts
Create a notification for this product.
Show details on NVD website
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CVE-2026-77352 (GCVE-0-2026-77352)

Vulnerability from cvelistv5 – Published: 2026-08-31 21:21 – Updated: 2026-09-01 14:57
VLAI
Title
Wallos: Authenticated SSRF via per-user SMTP notification host (low-privilege user)
Summary
Wallos is an open-source, self-hostable personal subscription tracker. From version 2.0.0 to before version 5.0.0, any authenticated Wallos user (no admin rights required) can make the server open arbitrary outbound SMTP connections to internal/link-local addresses, by setting the SMTP host of their personal email notifications to an internal IP. The per-user notification settings endpoint (endpoints/notifications/saveemailnotifications.php) performs no SSRF validation, and the notification cron (endpoints/cronjobs/sendnotifications.php) feeds that user-controlled host straight into PHPMailer ($mail->Host = $email['smtpAddress']). When the user's subscription notification fires, the server connects to the chosen host:port. This issue has been patched in version 5.0.0.
Severity
4.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-01 14:15 UTC
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
Vendor Product Version
ellite Wallos Affected: >= 2.0.0, < 5.0.0
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-77351 (GCVE-0-2026-77351)

Vulnerability from cvelistv5 – Published: 2026-08-31 21:15 – Updated: 2026-09-01 13:29
VLAI
Title
Wallos: SSRF via Unvalidated User-Level SMTP Host in Email Notification Settings
Summary
Wallos is an open-source, self-hostable personal subscription tracker. Prior to version 5.0.0, Wallos lets any authenticated user store an arbitrary SMTP host — including private and cloud-metadata IP addresses — in their personal email notification settings, with no server-side SSRF validation. When the scheduled notification cron job runs, it passes the stored host directly to PHPMailer, causing the Wallos server to open an outbound TCP connection to whatever address the attacker specified. This gives a low-privileged attacker a reliable mechanism to probe internal network services from the server's perspective. This issue has been patched in version 5.0.0.
Severity
3.5 (Low)
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-01 13:23 UTC
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
Vendor Product Version
ellite Wallos Affected: < 5.0.0
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-77348 (GCVE-0-2026-77348)

Vulnerability from cvelistv5 – Published: 2026-08-31 21:15 – Updated: 2026-09-03 17:43
VLAI
Title
Wallos incomplete fix for CVE-2026-33407: unauthenticated httpoxy SSRF still reachable via `endpoints/payments/search.php`
Summary
Wallos is an open-source, self-hostable personal subscription tracker. Prior to version 5.0.0, the fix for CVE-2026-33407 (GHSA-hhjq-82f8-m6rc, "SSRF via HTTP Proxy Environment Variable") hardened endpoints/logos/search.php by disabling cURL proxying (CURLOPT_PROXY = '' + CURLOPT_NOPROXY = '*'). However, Wallos ships a second, near-identical, unauthenticated logo-image search endpoint — endpoints/payments/search.php — that was not given the same hardening. It still passes the HTTP_PROXY/HTTPS_PROXY environment variable straight into CURLOPT_PROXY. This issue has been patched in version 5.0.0.
Severity
8.2 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-03 17:43 UTC
CWE
  • CWE-441 - Unintended Proxy or Intermediary ('Confused Deputy')
  • CWE-918 - Server-Side Request Forgery (SSRF)
  • CWE-1188 - Insecure Default Initialization of Resource
Assigner
References
Impacted products
Vendor Product Version
ellite Wallos Affected: < 5.0.0
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Show details on NVD website
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CVE-2026-77310 (GCVE-0-2026-77310)

Vulnerability from cvelistv5 – Published: 2026-08-24 19:24 – Updated: 2026-08-25 19:23
VLAI
Title
jackson-databind: Eager DNS resolution (SSRF) still present in InetAddress deserialization (Incomplete fix for CVE-2026-54514)
Summary
jackson-databind contains the general-purpose data-binding functionality and tree-model for Jackson Data Processor. Prior to versions 2.18.9, 2.21.5, 2.22.1, 3.1.5, and 3.2.1 on their respective release lines, the java.net.InetAddress branch of FromStringDeserializer.Std._deserialize() calls InetAddress.getByName() on attacker-controlled input, causing eager DNS resolution during deserialization and enabling DNS-based server-side request forgery and internal-host enumeration. This issue is fixed in versions 2.18.9, 2.21.5, 2.22.1, 3.1.5, and 3.2.1.
Severity
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-25 18:35 UTC
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
Vendor Product Version
FasterXML com.fasterxml.jackson.core:jackson-databind Affected: >= 2.0.0, < 2.18.9
Affected: >= 2.19.0, < 2.21.5
Affected: >= 2.22.0, < 2.22.1
Create a notification for this product.
FasterXML tools.jackson.core:jackson-databind Affected: >= 3.0.0, < 3.1.5
Affected: >= 3.2.0, < 3.2.1
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-77294 (GCVE-0-2026-77294)

Vulnerability from cvelistv5 – Published: 2026-09-24 18:04 – Updated: 2026-09-24 18:35
VLAI
Title
TREK: Server-Side Request Forgery via User-Configurable LLM Base URL
Summary
TREK is a collaborative travel planner. Prior to 3.3.0, TREK allows an authenticated user to store an attacker-controlled llm_base_url through the settings API when the LLM_PARSING feature is enabled. Write permission to the target trip instance is required to trigger the vulnerable AI-assisted import path. The value is consumed by the clients in server/src/nest/llm-parse/clients/openai-compatible.client.ts, server/src/nest/llm-parse/clients/anthropic.client.ts, and server/src/nest/llm-parse/router/ollama-format.client.ts without applying the server-side request forgery guard. Triggering AI-assisted trip parsing causes the server to request the supplied destination, and upstream error response text can be returned in parsing warnings. This permits internal service discovery and access to link-local cloud metadata, with possible disclosure of infrastructure credentials and subsequent modification of protected cloud resources. This issue is fixed in version 3.3.0.
Severity
8.1 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-24 18:35 UTC
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
Vendor Product Version
mauriceboe TREK Affected: < 3.3.0
Create a notification for this product.
Show details on NVD website
To clipboard 

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No mitigation information available for this CWE.

CAPEC-664: Server Side Request Forgery

An adversary exploits improper input validation by submitting maliciously crafted input to a target application running on a server, with the goal of forcing the server to make a request either to itself, to web services running in the server’s internal network, or to external third parties. If successful, the adversary’s request will be made with the server’s privilege level, bypassing its authentication controls. This ultimately allows the adversary to access sensitive data, execute commands on the server’s network, and make external requests with the stolen identity of the server. Server Side Request Forgery attacks differ from Cross Site Request Forgery attacks in that they target the server itself, whereas CSRF attacks exploit an insecure user authentication mechanism to perform unauthorized actions on the user's behalf.

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