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Vulnerability record · CVE-2026-41082 · published 16 April 2026

CVE-2026-41082: Ocaml opam path traversal vulnerability

Ocaml · Opam

In OCaml opam before 2.5.1, a .install field containing a destination filepath can use ../ to reach a parent directory.

7.8 CVSS 3.1 High EPSS 0.22% · top 89.2% CWE-24 · CWE-24CWE-22 · Path traversal
7.8CVSS 3.1 base score
0.22%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
8References
15 Jul 2026Last modified by NVD

Description

In OCaml opam before 2.5.1, a .install field containing a destination filepath can use ../ to reach a parent directory.

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

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/ocaml/opam/pull/6897 Issue TrackingPatch
https://github.com/ocaml/opam/releases/tag/2.5.1 Release Notes
https://osv.dev/vulnerability/OSEC-2026-03 Third Party Advisory
https://lists.debian.org/debian-lts-announce/2026/04/msg00021.html Mailing ListThird Party Advisory
https://access.redhat.com/security/cve/CVE-2026-41082 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2459003 Issue Tracking
https://osv.dev/vulnerability/OSEC-2026-03 Third Party Advisory
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-41082.json Third Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2026-41082), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.