CVE-2026-87994

Exploitation

Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.

SSVC decision

• ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.37% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 30.8% of scored records. A rank, not a probability.

NVD base score

4.3 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

NVD analysis status

Analyzed. NVD last modified this record on 2026-09-16.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2026-09-09 21:24Z1 MO AGO

Last updated

2026-09-10 15:59Z1 MO AGO

Reserved

2026-09-09

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

Medium (CVSS 4.3)

CNA CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Weaknesses

• CWE-639Authorization Bypass Through User-Controlled KeyBase
• CWE-862Missing AuthorizationClass

Data version

5.2

Document digest

29aeca55ed6f62638841816ad461d0b76cf3e22b302205f392e7b4ed1e7974ac

• github.comhttps://github.com/open-webui/open-webui/security/advisories/GHSA-fmqh-xp37-5hr8x_refsource_CONFIRM
• github.comhttps://github.com/open-webui/open-webui/pull/28631x_refsource_MISC
• github.comhttps://github.com/open-webui/open-webui/commit/7d392bedc9c1aaecc94509a58e59186b614433dcx_refsource_MISC
• github.comhttps://github.com/open-webui/open-webui/releases/tag/v0.11.1x_refsource_MISC