Vulnerability · Published Jul 9, 2026 · Assigned by GitHub_M

CVE-2026-59222Open WebUI: /api/v1/channels/{id}/members exposes full user model including sensitive credentials

Medium 6.0

In plain English

A medium-severity information exposure in open-webui from open-webui. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 40% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 4.0)6.0Medium
Exploit odds (30 days)0.5%top 59.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.7.0 before 0.10.0, GET /api/v1/channels//members returned full UserModelResponse objects for channel members, including settings.ui.toolServers[].key and webhook configuration, allowing a normal channel participant to retrieve other users’ sensitive settings. This issue is fixed in version 0.10.0.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
PyPIopen-webui0.10.0GHSA-gh7p-78x6-jw6m
PyPIopen-webui0.10.0PYSEC-2026-3598

Affected products (as reported)

VendorProductVersions
open-webui open-webui >= 0.7.0, < 0.10.0

Weakness: CWE-200 · Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

References