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CVE-2026-41082 Details

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

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.8 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CNA: redhat-SADPCVSS-B:7.1 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H

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

CWE-ID	CWE Name	Source
CWE-22	Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')	[email protected]
CWE-24	Path Traversal: '../filedir'	redhat-SADP
CWE-24	Path Traversal: '../filedir'	[email protected]

Product	Versions
ocaml opam	< 2.5.1
CPE cpe:2.3:a:ocaml:opam:::::::: Remediation No remediation found in references.
debian debian linux	11.0
CPE cpe:2.3:o:debian:debian_linux:11.0:::::::* Remediation No remediation found in references.
redhat enterprise linux	10.0
CPE cpe:2.3:o:redhat:enterprise_linux:10.0:::::::* Remediation No remediation found in references.

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