CVE-2026-70483Low· 3.1▾ SunlitOpen WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.9.6 until 0.11.0, DELETE /api/v1/chats/{id} cancelled a chat's in-flight tasks before checking whether the caller could delete that chat. Any au…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 17.1 · likelihood 0.1 · exploitation 0
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Exploit-prediction probability, daily snapshots since Aug 5.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
0.2%
Last analysed / modified upstream
0.2% → 0.3%
Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.9.6 until 0.11.0, DELETE /api/v1/chats/{id} cancelled a chat's in-flight tasks before checking whether the caller could delete that chat. Any authenticated user who knew another user's chat id could abort that user's running model response, title generation, or tag generation, even though the delete was refused and no chat data was deleted, modified, or disclosed. This issue is fixed in 0.11.0.
open_webui >= 0.9.6, < 0.11.0Upgrade past the affected range:
open_webui 0.11.0Affected packages:
open-webui >= 0.9.6, < 0.11.0Patched in:
open-webui 0.11.0Connected by shared product, vendor, weakness, or advisory.
CVE-2026-70494High· 8.1Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform
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CVE-2026-70484Medium· 4.3Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform
CVE-2026-70487Medium· 5.3Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform
CVE-2026-70489Medium· 6.5Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform
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