Vulnerability in Ocaml Opam

CVE-2026-41082

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

EPSS: 0.000 (0.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-41082?
CVE-2026-41082 is a high-severity vulnerability in Ocaml Opam, classified under CWE-24. CVSS score: 7.3/10. Published 2026-04-16.
How severe is CVE-2026-41082?
High severity. CVSS v3 base score is 7.3 out of 10.