Back to CVE records
High 7.8Published Apr 16, 2026
CVE-2026-41082In OCaml opam before 2.5.1, a .install field containing a destination filepath can use ../ to reach a parent directory.
Updated under an hour ago ()
Does this affect you?
It affects ocaml opam and 2 other products. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
Do this next
Start free and add your stack
Free account, 1 product
In OCaml opam before 2.5.1, a .install field containing a destination filepath can use ../ to reach a parent directory.
- CVSS
- 7.8 HIGH (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-24, CWE-22
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Analyzed
- Record last updated
- Jul 15, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
ocaml opam ocaml:opam | before 2.5.1 | NVD |
debian debian_linux debian:debian_linux | 11.0 | NVD |
redhat enterprise_linux redhat:enterprise_linux | 10.0 | NVD |
References
- https://github.com/ocaml/opam/pull/6897issue-tracking, patch
- https://github.com/ocaml/opam/releases/tag/2.5.1release-notes
- https://osv.dev/vulnerability/OSEC-2026-03third-party-advisory
- https://lists.debian.org/debian-lts-announce/2026/04/msg00021.htmlmailing-list, third-party-advisory
- https://access.redhat.com/security/cve/CVE-2026-41082third-party-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2459003issue-tracking
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-41082.jsonthird-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.