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 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.
CVE-2026-109292
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-109292
open-webui
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"vendor": "open-webui",
"product": "open-webui",
"versions": [
{
"status": "affected",
"version": "0.6.27",
"lessThan": "0.11.4",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "0.11.4",
"versionType": "semver"
}
],
"packageURL": "pkg:pypi/open-webui",
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2026-109292
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #53313 · Revision 1
- Added to Heist Feed
- Publisher date