CVE-2026-91989
CVE-2026-91989
atomic-agents-stack before 1.1.0 contains a path traversal vulnerability in the dashboard HTTP server that allows remote attackers to read arbitrary files by supplying directory traversal sequences in request paths. Attackers can bypass path containment checks by including '../' segments in requests to the DashboardHandler.do_GET endpoint to access files outside the intended agents_root directory.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.013 (71.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 71st percentile — 71.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000
Weakness classification (CWE)
References
- github.com/dep0we/atomic-agents-stack/security/advisories/GHSA-rm43-82j9-r4mj (vendor-advisory)
- www.vulncheck.com/advisories/atomic-agents-stack-before-1.1.0-path-traversal-vi… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-91989?
- CVE-2026-91989 is a high-severity vulnerability, classified under Path Traversal. CVSS score: 7.5/10. Published 2026-09-15.
- How severe is CVE-2026-91989?
- High severity. CVSS v3 base score is 7.5 out of 10.