CVE-2026-41082

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

CVSS v3 7.3 HIGH

7.3^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.5 / Impact : 4.7

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact HIGH

Availability Impact LOW

Scope UNCHANGED

References

Link	Resource
https://github.com/ocaml/opam/pull/6897	Issue Tracking Patch
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 List Third 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

Configurations

Configuration 1 (hide)

cpe:2.3:a:ocaml:opam:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*

Configuration 3 (hide)

cpe:2.3:o:redhat:enterprise_linux:10.0:*:*:*:*:*:*:*

History

26 Oct 2026, 21:10

Type	Values Removed	Values Added
Summary		(es) En OCaml opam antes de 2.5.1, un campo .install que contiene una ruta de archivo de destino puede usar .. / para alcanzar un directorio padre.

Information

Published : 2026-04-16 18:16

Updated : 2026-10-26 21:10

NVD link : CVE-2026-41082

Mitre link : CVE-2026-41082

CVE.ORG link : CVE-2026-41082

JSON object : View

Products Affected

ocaml

opam

debian

debian_linux

redhat

enterprise_linux

CWE

CWE-24

Path Traversal: '../filedir'

CWE-22

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

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