MEDIUMPyPI →
Open WebUI: Channel members can overwrite another member's message via the chat completions endpoint
Open WebUI: Channel members can overwrite another member's message via the chat completions endpoint
Affected packages
- open-webui— 0.9.5 → 0.11.1
Exploit signal
- Known exploited (CISA KEV)
- No
- EPSS score
- —
- EPSS percentile
- —
EPSS is the probability a CVE is exploited in the wild; percentile is its rank among all CVEs.
Sources
- https://github.com/open-webui/open-webui/security/advisories/GHSA-fmqh-xp37-5hr8
- https://nvd.nist.gov/vuln/detail/CVE-2026-87994
- https://github.com/open-webui/open-webui/pull/28631
- https://github.com/open-webui/open-webui/commit/7d392bedc9c1aaecc94509a58e59186b614433dc
- https://github.com/open-webui/open-webui
- https://github.com/open-webui/open-webui/releases/tag/v0.11.1
Structured record: https://osv.dev/vulnerability/GHSA-fmqh-xp37-5hr8
Recommended response stack
Snyk — Scan your dependencies in CI and fix this vulnerability.→Socket — Detect malicious and compromised packages before they ship.→
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