| Component | Open WebUI |
| Severity | medium (CVSS 6.5) |
| CVSS vector | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
| Published (NVD) | 2026-10-12 |
| Last modified | 2026-10-13 |
| Affected versions | >= 0.11.0, < 0.11.4 read from the advisory text: NVD has not published CPE data yet |
| Fixed in | 0.11.4 |
| Weakness | CWE-200 |
| CISA KEV | not listed |
NVD description
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.
What to do
- Upgrade Open WebUI to
0.11.4or later. - Do not expose the component's API or UI to the internet without authentication in front of it.
Sources
- NVD: CVE-2026-109293
- https://github.com/open-webui/open-webui/security/advisories/GHSA-2h26-836q-4jh2
- https://www.vulncheck.com/advisories/open-webui-0.11.0-before-0.11.4-tool-source-disclosure-via-tool-export-endpoint
Read more
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