Medium severity5.4GHSA Advisory· Published May 15, 2026· Updated May 19, 2026
CVE-2026-45365
CVE-2026-45365
Description
Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.8.11, an internal-only bypass_filter 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 ?bypass_filter=true and bypass model access control checks to invoke admin-restricted models. This vulnerability is fixed in 0.8.11.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
open-webuiPyPI | < 0.8.11 | 0.8.11 |
Affected products
2<= 0.8.10+ 1 more
- (no CPE)range: <= 0.8.10
- cpe:2.3:a:openwebui:open_webui:*:*:*:*:*:*:*:*range: <0.8.11
Patches
Vulnerability mechanics
References
5- github.com/open-webui/open-webui/security/advisories/GHSA-v6qf-75pr-p96mnvdExploitPatchVendor AdvisoryWEB
- github.com/advisories/GHSA-v6qf-75pr-p96mghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-45365ghsaADVISORY
- github.com/open-webui/open-webui/commit/c0385f60ba049da48d2d5452068586d375303c37ghsaWEB
- github.com/open-webui/open-webui/releases/tag/v0.8.11ghsaWEB
News mentions
0No linked articles in our index yet.