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Case File

CVE-2025-40908

CRITICAL · CVSS 9.1 EPSS 0.40% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2025-06-01 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.1. Public exploit code or proof-of-concept references have been detected in its references.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links
github.com ↗ github.com ↗ github.com ↗

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2025-40908
Severity
CRITICAL
CVSS
9.1
EPSS
0.40%

Original NVD Description

YAML-LibYAML prior to 0.903.0 for Perl uses 2-args open, allowing existing files to be modified