CVEvulnerability
CVE-2025-40908
9.1 CRITICAL
Official page ↗
- Status
- Analyzed
- Published
- 2025-06-01
- Last modified
- 2026-06-17
- Assigner
- 9b29abf9-4ab0-4765-b253-1875cd9b441e
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 9.1 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
- Weaknesses
- CWE-552
Description
YAML-LibYAML prior to 0.903.0 for Perl uses 2-args open, allowing existing files to be modified
Affected configurations
• ingydotnet yaml-libyaml (< 0.903.0)
Related
Weakness · CWE (1)
- CWE-552 Files or Directories Accessible to External Parties weakness
References
- https://github.com/ingydotnet/yaml-libyaml-pm/issues/120 Exploit, Issue Tracking
- https://github.com/ingydotnet/yaml-libyaml-pm/pull/121 Issue Tracking, Patch
- https://github.com/ingydotnet/yaml-libyaml-pm/pull/122 Issue Tracking, Patch