🛡️ CVE-2025-40934
🔴 CVSS 9.3 — Critical ✅ No Known Exploit CWE-347 NVD
9.3
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

XML-Sig versions 0.27 through 0.67 for Perl incorrectly validates XML files if signatures are omitted. An attacker can remove the signature from the XML document to make it pass the verification check. XML-Sig is a Perl module to validate signatures on XML files.  An unsigned XML file should return an error message.  The affected versions return true when attempting to validate an XML file that contains no signatures.

Details

Severity CRITICAL
CVSS Score 9.3
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:N
CWE CWE-347
Public Exploit ✅ No
Source NVD
Published 2025-11-26
Updated 2026-06-02
Modified 2025-12-30

Affected Packages

Software From version Fixed in
\ 0.27 0.67

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