CVE-2026-85514
CVE-2026-85514
A security vulnerability has been detected in StackStorm st2 up to 3.9.0. Impacted is an unknown function of the file st2api/st2api/controllers/v1/auth.py of the component API Key Handler. Such manipulation of the argument api_key_api.user leads to improper privilege management. The attack may be performed from remote. The exploit has been disclosed publicly and may be used. The project was informed of the problem early through an issue report but has not responded yet.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.004 (29.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 29.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.001
Weakness classification (CWE)
References
- github.com/StackStorm/st2/ (product)
- github.com/StackStorm/st2/issues/6380 (issue-tracking, exploit)
- vuldb.com/cve/CVE-2026-85514 (third-party-advisory)
- vuldb.com/submit/894917 (third-party-advisory)
- vuldb.com/vuln/398679 (technical-description, vdb-entry)
- vuldb.com/vuln/398679/cti (signature, permissions-required)
Frequently asked questions
- What is CVE-2026-85514?
- CVE-2026-85514 is a medium-severity vulnerability, classified under Incorrect Privilege Assignment. CVSS score: 6.3/10. Published 2026-09-04.
- How severe is CVE-2026-85514?
- Medium severity. CVSS v3 base score is 6.3 out of 10.