PYSEC-2026-2758 Open WebUI: Authenticated users can bypass model access control via exposed query parameter [AI-ASSISTED]

Summary An internal-only bypassfilter parameter is exposed on the /openai/chat/completions and /ollama/api/chat HTTP endpoints via FastAPI query string binding, allowing any authenticated user to append ?bypassfilter=true and bypass model access control checks to invoke admin-restricted models...

CVE-2025-71379

A flaw was found in vLLM. Multiple regular expression denial of service ReDoS vulnerabilities exist in versions greater than or equal to 0.6.3 and less than 0.9.0. An attacker can exploit this by submitting crafted input with nested or repeated structures to specific regex patterns within vLLM,...

Open WebUI 授权问题漏洞

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted WebUI under the open source Open WebUI project. Versions of Open WebUI prior to 0.8.11 had an authorization issue vulnerability. This vulnerability stemmed from the internal bypassfilter parameter being exposed through FastA...

GHSA-V6QF-75PR-P96M Open WebUI: Authenticated users can bypass model access control via exposed query parameter [AI-ASSISTED]

Summary An internal-only bypassfilter parameter is exposed on the /openai/chat/completions and /ollama/api/chat HTTP endpoints via FastAPI query string binding, allowing any authenticated user to append ?bypassfilter=true and bypass model access control checks to invoke admin-restricted models...

Open WebUI: Authenticated users can bypass model access control via exposed query parameter [AI-ASSISTED]

Summary An internal-only bypassfilter parameter is exposed on the /openai/chat/completions and /ollama/api/chat HTTP endpoints via FastAPI query string binding, allowing any authenticated user to append ?bypassfilter=true and bypass model access control checks to invoke admin-restricted models...

CVE-2025-60511

Moodle OpenAI Chat Block plugin 3.0.1 2025021700 suffers from an Insecure Direct Object Reference IDOR vulnerability due to insufficient validation of the blockId parameter in /blocks/openaichat/api/completion.php. An authenticated student can impersonate another user's block e.g., administrator...

CVE-2025-60511

Moodle OpenAI Chat Block plugin 3.0.1 2025021700 suffers from an Insecure Direct Object Reference IDOR vulnerability due to insufficient validation of the blockId parameter in /blocks/openaichat/api/completion.php. An authenticated student can impersonate another user's block e.g., administrator...

CVE-2025-60511

The CVE-2025-60511 instance affects Moodle OpenAI Chat Block plugin 3.0.1, with an Insecure Direct Object Reference (IDOR) due to insufficient validation of the blockId parameter in /blocks/openai_chat/api/completion.php. An authenticated student can impersonate another user’s block (e.g., admini...

CVE-2025-60511

Moodle OpenAI Chat Block plugin 3.0.1 2025021700 suffers from an Insecure Direct Object Reference IDOR vulnerability due to insufficient validation of the blockId parameter in /blocks/openaichat/api/completion.php. An authenticated student can impersonate another user's block e.g., administrator...

CVE-2025-60511

Moodle OpenAI Chat Block plugin 3.0.1 2025021700 suffers from an Insecure Direct Object Reference IDOR vulnerability due to insufficient validation of the blockId parameter in /blocks/openaichat/api/completion.php. An authenticated student can impersonate another user's block e.g., administrator...