CVE-2026-57825: Ocaml Opam

Medium severity, CVSS 5.7. EPSS: 0.5% chance of exploitation in the next 30 days.

In the opam package before 2.5.2 for OCaml, the sandbox protection mechanism can be bypassed because symlinks are mishandled during use of .install files.

Affected products

• Ocaml Opam: before 2.5.2 (fixed in 2.5.2)

Published 2026-09-09. Last modified 2026-09-14.