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

CVE-2026-41082

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

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

HIGH · CVSS 7.3 EPSS 7e-05
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-24Path Traversal: '../filedir'
▣

Scoring & Timeline

7.3
HIGH · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD16 Apr 2026 · 06:16 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

3
msrcCVE-2026-41082
usnUSN-8256-1
suse-csafopenSUSE-SU-2026:10568-1
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/ocaml/opam/pull/6897
https://github.com/ocaml/opam/releases/tag/2.5.1
https://lists.debian.org/debian-lts-announce/2026/04/msg00021.html
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