Common Weakness Enumeration

CWE-918

Allowed

Server-Side Request Forgery (SSRF)

Abstraction: Base · Status: Incomplete

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.

4609 vulnerabilities reference this CWE, most recent first.

CVE-2026-54018 (GCVE-0-2026-54018)

Vulnerability from cvelistv5 – Published: 2026-06-23 16:42 – Updated: 2026-06-23 17:56
VLAI
Title
Open WebUI: SSRF Protection Bypass in Playwright Web Loader via HTTP Redirects
Summary
Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.6, the SafePlaywrightURLLoader implements a validate_url function to prevent SSRF attacks by checking the IP address of the user-provided URL. However, this validation is performed only on the initial URL. Since Playwright automatically follows HTTP redirects (301/302) by default, an attacker can bypass the validation by providing a safe URL that redirects to a restricted internal network address (e.g., localhost, Docker container network, or Cloud Metadata). This allows the application to access internal services despite ENABLE_RAG_LOCAL_WEB_FETCH being set to False This vulnerability is fixed in 0.9.6.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
Vendor Product Version
open-webui open-webui Affected: < 0.9.6
Create a notification for this product.
Show details on NVD website

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CVE-2026-54017 (GCVE-0-2026-54017)

Vulnerability from cvelistv5 – Published: 2026-06-18 21:09 – Updated: 2026-06-22 14:17
VLAI
Title
Open WebUI: Path traversal / SSRF in terminal server proxy via encoded path traversal
Summary
Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.6, the terminal-server reverse proxy in `backend/open_webui/routers/terminals.py` does not fully confine the user-controlled `path` segment before forwarding it to an admin-configured terminal server. An authenticated user who has been granted access to a terminal server can craft `path` values containing encoded `../` traversal sequences that escape the intended path (or policy) scope on that server, reaching unintended endpoints and files on the terminal-server host. Where the terminal server fans requests out to internal services, this also gives SSRF-style reach into those services. This is a separate code path from the `/api/v1/retrieval/process/web` SSRF (GHSA-c6xv-rcvw-v685), with its own input. Two distinct vectors are consolidated here: first, raw path forwarding / single-encoded traversal (original report); and second, a bypass of the subsequently-added `_sanitize_proxy_path` mitigation using double-encoded dots (`%252e%252e`). The attacker-controlled input is the request `path`, supplied by the non-admin user, not anything an administrator configures, so this is not an admin-trust / Rule-9 situation. Version 0.9.6 fixes the issue.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
Vendor Product Version
open-webui open-webui Affected: < 0.9.6
Create a notification for this product.
Show details on NVD website

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CVE-2026-54008 (GCVE-0-2026-54008)

Vulnerability from cvelistv5 – Published: 2026-06-23 16:50 – Updated: 2026-06-24 13:33
VLAI
Title
Open WebUI: Redirect-Bypass SSRF in OAuth `_process_picture_url`
Summary
Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.6, backend/open_webui/utils/oauth.py::_process_picture_url calls validate_url(picture_url) on the initial URL only, then invokes aiohttp.ClientSession.get(picture_url, ...) without allow_redirects=False. aiohttp's default is allow_redirects=True, max_redirects=10; the function does not pass the project's AIOHTTP_CLIENT_ALLOW_REDIRECTS env constant either. An attacker with a valid OAuth IdP identity can therefore submit a public URL that 302-redirects to an internal address and read the internal response body via the attacker's own profile_image_url field. This vulnerability is fixed in 0.9.6.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
Vendor Product Version
open-webui open-webui Affected: < 0.9.6
Create a notification for this product.
Show details on NVD website

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CVE-2026-53946 (GCVE-0-2026-53946)

Vulnerability from cvelistv5 – Published: 2026-06-24 18:08 – Updated: 2026-06-25 19:57
VLAI
Title
Ghost: Mobiledoc image-size fetch SSRF
Summary
Ghost is a Node.js content management system. From 6.19.4 until 6.21.1, when re-rendering posts, Ghost would refetch missing image dimensions by issuing an outbound HTTP request to the URL stored on an image card — without restricting that URL to trusted image hosts. An authenticated staff user able to create or edit posts could therefore point an image card at an attacker-chosen host and cause the Ghost server to request it on their behalf, including hosts on internal networks or cloud instance metadata endpoints that would not normally be reachable from the public internet. This vulnerability is fixed in 6.21.1.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
Vendor Product Version
TryGhost Ghost Affected: >= 6.19.4, < 6.21.1
Create a notification for this product.
Show details on NVD website

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CVE-2026-53945 (GCVE-0-2026-53945)

Vulnerability from cvelistv5 – Published: 2026-06-24 18:09 – Updated: 2026-06-25 15:38
VLAI
Title
Ghost: Server-side request forgery via DNS rebinding in external request handling
Summary
Ghost is a Node.js content management system. From 6.0.9 until 6.21.1, Ghost’s private-IP check for outbound HTTP requests could be bypassed via DNS rebinding, allowing an attacker to coerce the Ghost server into reaching hosts on internal networks through features that issue external fetches. This vulnerability is fixed in 6.21.1.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
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
TryGhost Ghost Affected: >= 6.0.9, < 6.21.1
Create a notification for this product.
Show details on NVD website

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CVE-2026-53944 (GCVE-0-2026-53944)

Vulnerability from cvelistv5 – Published: 2026-06-24 18:10 – Updated: 2026-06-24 18:50
VLAI
Title
Ghost: Private IP filtering bypass to make server-side requests to internal services
Summary
Ghost is a Node.js content management system. From 6.0.9 until 6.21.1, when making an external request, it is possible to bypass the IP filter that ensures the request isn't going to an internal service using an IPv6 literal which maps to a private IPv4 address. This vulnerability is fixed in 6.21.1.
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-184 - Incomplete List of Disallowed Inputs
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
Vendor Product Version
TryGhost Ghost Affected: >= 6.0.9, < 6.21.1
Create a notification for this product.
Show details on NVD website

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CVE-2026-53931 (GCVE-0-2026-53931)

Vulnerability from cvelistv5 – Published: 2026-06-23 19:41 – Updated: 2026-06-24 14:33
VLAI
Title
NocoDB: Server-Side Request Forgery via Spreadsheet Import Endpoint
Summary
NocoDB is software for building databases as spreadsheets. Prior to 2026.05.1, the spreadsheet-import endpoint axiosRequestMake could be used as a generic HTTP proxy. Before the fix it was reachable unauthenticated, and its URL-extension allowlist was a regex tested against the full URL string, so URLs whose query string ended in .csv satisfies the gate even though the underlying request is for another file. This vulnerability is fixed in 2026.05.1.
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-441 - Unintended Proxy or Intermediary ('Confused Deputy')
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
Vendor Product Version
nocodb nocodb Affected: < 2026.05.1
Create a notification for this product.
Show details on NVD website

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CVE-2026-53930 (GCVE-0-2026-53930)

Vulnerability from cvelistv5 – Published: 2026-06-23 19:42 – Updated: 2026-06-24 13:38
VLAI
Title
NocoDB: Server-Side Request Forgery via Base Migration URL
Summary
NocoDB is software for building databases as spreadsheets. Prior to 2026.05.1, the base-migration endpoint accepted a caller-supplied URL that the migration worker dereferenced without enforcing protocol or destination, allowing scheme abuse (file:, ftp:, etc.) and probing of internal HTTP destinations. This vulnerability is fixed in 2026.05.1.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
Vendor Product Version
nocodb nocodb Affected: < 2026.05.1
Create a notification for this product.
Show details on NVD website

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CVE-2026-53927 (GCVE-0-2026-53927)

Vulnerability from cvelistv5 – Published: 2026-06-23 20:05 – Updated: 2026-06-24 12:38
VLAI
Title
NocoDB: Server-Side Request Forgery via Spreadsheet Fetch URL
Summary
NocoDB is software for building databases as spreadsheets. Prior to 2026.05.1, the spreadsheet-fetch endpoint (axiosRequestMake) accepted URLs whose path contained a permitted extension anywhere in the string, and applied a hand-rolled regex blocklist that omitted 127.0.0.0/8 and 169.254.0.0/16, allowing the cloud-metadata endpoint to be reached with a crafted URL This vulnerability is fixed in 2026.05.1.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
Vendor Product Version
nocodb nocodb Affected: < 2026.05.1
Create a notification for this product.
Show details on NVD website

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CVE-2026-53859 (GCVE-0-2026-53859)

Vulnerability from cvelistv5 – Published: 2026-06-16 18:05 – Updated: 2026-06-16 18:38 X_Open Source
VLAI
Title
OpenClaw < 2026.5.26 - Hostname Validation Bypass via Trailing-Dot Inconsistency
Summary
OpenClaw before 2026.5.26 contains a hostname validation vulnerability allowing attackers to bypass blocklist comparisons using trailing-dot notation in model or workspace-derived URLs. Attackers can exploit inconsistent hostname checks to reach destinations that operators intended to block through hostname policies.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-1023 - Incomplete Comparison with Missing Factors
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
Vendor Product Version
OpenClaw OpenClaw Affected: 0 , < 2026.5.26 (semver)
Unaffected: 2026.5.26 (semver)
Create a notification for this product.
Date Public
2026-05-28 00:00
Credits
Chinmohan Nayak (@nayakchinmohan)
Show details on NVD website

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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.