CVE-2026-41082

high

Description

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

References

https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-41082.json

https://osv.dev/vulnerability/OSEC-2026-03

https://lists.debian.org/debian-lts-announce/2026/04/msg00021.html

https://github.com/ocaml/opam/releases/tag/2.5.1

https://github.com/ocaml/opam/pull/6897

https://bugzilla.redhat.com/show_bug.cgi?id=2459003

https://access.redhat.com/security/cve/CVE-2026-41082

Details

Source: Mitre, NVD

Published: 2026-04-16

Updated: 2026-06-30

Risk Information

CVSS v2

Base Score: 6.1

Vector: CVSS2#AV:L/AC:L/Au:N/C:P/I:C/A:P

Severity: Medium

CVSS v3

Base Score: 7.1

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

Severity: High

EPSS

EPSS: 0.00005