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.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact High

Availability Impact None

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Affected Vendors & Products

Vendors Products
Ocaml
  • Opam

No data.

No data.

References
Link Providers
https://github.com/ocaml/opam/releases cve-icon cve-icon
https://lists.debian.org/debian-lts-announce/2026/07/msg00026.html cve-icon
https://osv.dev/vulnerability/OSEC-2026-10 cve-icon cve-icon
History

Fri, 11 Sep 2026 01:15:00 +0000

Type Values Removed Values Added
First Time appeared Ocaml
Ocaml opam
Vendors & Products Ocaml
Ocaml opam

Wed, 09 Sep 2026 12:15:00 +0000

Type Values Removed Values Added
Title Sandbox Bypass via Symlink Mishandling in opam .install Files

Wed, 09 Sep 2026 05:30:00 +0000

Type Values Removed Values Added
References

Wed, 09 Sep 2026 03:45:00 +0000

Type Values Removed Values Added
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.
Weaknesses CWE-61
References
Metrics cvssV3_1

{'score': 5.7, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N'}
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2026-09-09T00:00:00.000Z

Updated: 2026-09-09T04:12:39.763Z

Reserved: 2026-06-25T00:00:00.000Z

Link: CVE-2026-57825

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2026-09-09T04:18:01.720

Modified: 2026-09-09T16:04:24.933

Link: CVE-2026-57825

cve-icon Redhat

No data.