CVE-2026-109293

Open WebUI 0.11.0 before 0.11.4 Tool Source Disclosure via Tool Export Endpoint

State: Published
Severity: 7.1 High
Published: Oct 12, 2026
Updated: Oct 23, 2026
Reserved: Oct 12, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	7.1 High	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N	VulnCheck
3.1	6.5 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N	VulnCheck

Weaknesses

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

Affected Products

Product	Versions
open-webuiopen-webui	0.11.0 to before 0.11.4Affected 0.11.4Not affected

References

GitHub Security Advisory (GHSA-2h26-836q-4jh2)vendor-advisory
VulnCheck Advisory: Open WebUI 0.11.0 before 0.11.4 Tool Source Disclosure via Tool Export Endpointthird-party-advisory

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