CVE-2026-109292 — Open WebUI 0.6.27 before 0.11.4 Session Token Disclosure via OAuth-Mode Connections
Open WebUI from 0.6.27 before 0.11.4 contains an information disclosure vulnerability that allows destination servers to obtain user session cookies by receiving the full browse…
Published: 2026-10-12 · CVSS: 7.6 · CVSS 4.0
Open WebUI from 0.6.27 before 0.11.4 contains an information disclosure vulnerability that allows destination servers to obtain user session cookies by receiving the full browser cookie jar on OAuth-mode connections. Operators of OpenAI-compatible connections, OpenAPI tool servers or terminal servers can capture forwarded session cookies from routine requests and replay them to hijack accounts, including administrators.
Source: CVE Program · Revision 2bc2f154a9513fd639cf69e09a5cddfaedf57bdc