CVE-2026-109293CWE-200information-disclosure

CVE-2026-109293

Medium · published October 12, 2026

CVSS v3.1
6.5
EPSS
0%
Percentile
20.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS v4.0
7.1 · 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
EPSS
0.00286 · 20.0th percentile
Weakness
CWE-200 · Exposure of Sensitive Information to an Unauthorized Actor
Published
2026-10-12T21:17Z
References (3)
https://github.com/open-webui/open-webui/security/advisories/GHSA-2h26-836q-4jh2 · [email protected]https://www.vulncheck.com/advisories/open-webui-0.11.0-before-0.11.4-tool-source-disclosure-via-tool-export-endpoint · [email protected]https://github.com/open-webui/open-webui/security/advisories/GHSA-2h26-836q-4jh2 · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 14 OCT 03:27Z
    EPSS moved — → 0%
    epss
  • 12 OCT 16:04Z
    Open WebUI 0.11.0 before 0.11.4 Tool Source Disclosure via Tool Export Endpoint
    cvelistv5
  • 12 OCT 16:04Z
    Open WebUI 0.11.0 before 0.11.4 Tool Source Disclosure via Tool Export Endpoint
    cvelistv5