Path Traversal in Ocaml Opam
CVE-2026-41082
In OCaml opam before 2.5.1, a .install field containing a destination filepath can use ../ to reach a parent directory.
EPSS: 0.002 (10.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L.
Affected products
- Ocaml Opam — versions 0
- Debian Debian_linux — versions 11.0
- Redhat Enterprise_linux — versions 10.0
Weakness classification (CWE)
References
- cve@mitre.org (Release Notes)
- cve@mitre.org (Patch, Issue Tracking)
- cve@mitre.org (Third Party Advisory)
- af854a3a-2127-422b-91ae-364da2661108 (Mailing List, Third Party Advisory)
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c (Third Party Advisory)
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c (Issue Tracking)
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c (Third Party Advisory)
Frequently asked questions
- What is CVE-2026-41082?
- CVE-2026-41082 is a high-severity vulnerability in Ocaml Opam, classified under CWE-24. CVSS score: 7.3/10. Published 2026-04-16.
- How severe is CVE-2026-41082?
- High severity. CVSS v3 base score is 7.3 out of 10.