Path Traversal in Ag2ai Ag2
CVE-2026-108543
A vulnerability was determined in ag2ai ag2 up to 0.13.4. Affected by this issue is the function os.path.join of the component UserProxyAgent. This manipulation of the argument filename causes path traversal. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.
Vulnerability class: Path Traversal (Directory Traversal)
Published .
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
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- Ag2ai Ag2 — versions 0.13.0, 0.13.1, 0.13.2
Weakness classification (CWE)
References
- vuldb.com/vuln/416198 (technical-description, vdb-entry)
- vuldb.com/vuln/416198/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-108543 (third-party-advisory)
- vuldb.com/submit/953877 (third-party-advisory)
- github.com/Ruoyyy/My_vulnerable/blob/main/report_legacy_filename_dockerenv_en.md (exploit)
Frequently asked questions
- What is CVE-2026-108543?
- CVE-2026-108543 is a medium-severity vulnerability in Ag2ai Ag2, classified under Path Traversal. CVSS score: 6.3/10. Published 2026-10-11.
- How severe is CVE-2026-108543?
- Medium severity. CVSS v3 base score is 6.3 out of 10.