Information disclosure in Open-Webui
CVE-2026-109293
Open WebUI from 0.11.0 before 0.11.4 contains an information disclosure vulnerability that allows authenticated non-admin users with tool export permission to obtain tool source code shared with them read-only. Attackers can request GET /api/v1/tools/export to retrieve the full Python source of read-only shared tools, exposing embedded API keys and credentials.
Vulnerability class: Information Disclosure
Published .
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.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/open-webui/open-webui/security/advisories/GHSA-2h26-836q-4jh2 (vendor-advisory)
- www.vulncheck.com/advisories/open-webui-0.11.0-before-0.11.4-tool-source-disclo… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-109293?
- CVE-2026-109293 is a medium-severity vulnerability in Open-Webui, classified under Information Disclosure. CVSS score: 6.5/10. Published 2026-10-12.
- How severe is CVE-2026-109293?
- Medium severity. CVSS v3 base score is 6.5 out of 10.