# CVE-2026-57825: opam: In the opam package before 2.5.2 for OCaml, the sandbox protection mechanism can be bypassed because symlinks are mis...

CVE-2026-57825 is fixed in opam on 1 platform, first by DEBIAN-CVE-2026-57825, released July 11, 2026. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2026-57825
- Priority: Routine
- CVSS: 5.7 (medium)
- EPSS: 0.0047
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jul 18, 2026

## Description

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.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | opam Debian 12.15 (bookworm) | 2.1.2-1+deb12u2 | [DEBIAN-CVE-2026-57825](https://patchblox.com/security/data/fix/linux/debian-cve-2026-57825.md) | Jul 11, 2026 |
| Linux | opam Debian 13.5 (trixie) | 2.3.0-1+deb13u2 | [DEBIAN-CVE-2026-57825](https://patchblox.com/security/data/fix/linux/debian-cve-2026-57825.md) | Jul 11, 2026 |
| Linux | opam Debian 14 | 2.5.2-1 | [DEBIAN-CVE-2026-57825](https://patchblox.com/security/data/fix/linux/debian-cve-2026-57825.md) | Jul 11, 2026 |
| Linux | opam opensuse-leap 16.0 | 2.5.2-bp160.1.1 | [OPENSUSE-SU-2026:21380-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21380-1.md) | Jul 18, 2026 |

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Data as of 2026-11-09T13:31:49Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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