Medium severity · published Oct 12, 2026
CVE-2026-109293
Open WebUI 0.11.0 before 0.11.4 Tool Source Disclosure via Tool Export Endpoint
6.5
CVSS
0.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 30% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OP
open-webui · open-webui
0.11.0 before 0.11.4 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-109293
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-109293
vendor-advisory
https://github.com/open-webui/open-webui/security/advisories/GHSA-2h26-836q-4jh2
third-party-advisory
https://www.vulncheck.com/advisories/open-webui-0.11.0-before-0.11.4-tool-source-disclosure-via-tool-export-endpoint
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