Information disclosure in Open-webui
CVE-2026-70491
Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. In 0.10.2 and earlier, the GET /api/v1/tools/, GET /api/v1/tools/list, and GET /api/v1/tools/id/{id} endpoints in backend/open_webui/routers/tools.py ret…
Vulnerability class: Information Disclosure
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Open-webui — versions < 0.11.0
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_CONFIRM)
Frequently asked questions
- What is CVE-2026-70491?
- CVE-2026-70491 is a medium-severity vulnerability in Open-webui, classified under Information Disclosure. CVSS score: 6.5/10. Published 2026-08-04.
- How severe is CVE-2026-70491?
- Medium severity. CVSS v3 base score is 6.5 out of 10.