Medium 6.5Published Oct 12, 2026

CVE-2026-109293Open WebUI 0.11.0 before 0.11.4 Tool Source Disclosure via Tool Export Endpoint

Updated under an hour ago (Oct 26, 2026, 5:40 PM ET)

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It affects open-webui. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Exploited in the last 30 days

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.

CVSS: 6.5 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weakness (CWE): CWE-200
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulnCheck
NVD analysis: Awaiting Analysis
Record last updated: Oct 23, 2026
First seen by InfoSec Signals: Oct 12, 2026

Affected products

Affected products

open-webui open-webui open_webui:open_webui (from the name)	from 0.11.0 before 0.11.4; 0.11.4 not affected	CNA record

References

References

https://github.com/open-webui/open-webui/security/advisories/GHSA-2h26-836q-4jh2	vendor-advisory
https://www.vulncheck.com/advisories/open-webui-0.11.0-before-0.11.4-tool-source-disclosure-via-tool-export-endpoint	third-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.