What’s Vulnerable › Vulnerabilities

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

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-12 · updated 2026-10-13
• Weakness: CWE-200

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.

Affected products

• open-webui: from 0.11.0 before 0.11.4 — fixed in 0.11.4

How to fix

Upgrade to a fixed version: open-webui 0.11.4. Check the vendor advisory for mitigations.

References

• 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
• https://github.com/open-webui/open-webui/security/advisories/GHSA-2h26-836q-4jh2

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