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.
References
| Link | Resource |
|---|---|
| https://github.com/perl-net-saml2/perl-XML-Sig/issues/63 | Issue Tracking Patch |
| https://github.com/perl-net-saml2/perl-XML-Sig/pull/64 | Issue Tracking |
Configurations
History
30 Dec 2025, 15:21
| Type | Values Removed | Values Added |
|---|---|---|
| References | () https://github.com/perl-net-saml2/perl-XML-Sig/issues/63 - Issue Tracking, Patch | |
| References | () https://github.com/perl-net-saml2/perl-XML-Sig/pull/64 - Issue Tracking | |
| CPE | cpe:2.3:a:xml\:\:sig_project:xml\:\:sig:*:*:*:*:*:perl:*:* | |
| First Time |
Xml\
Xml\ \ |
28 Nov 2025, 19:15
| Type | Values Removed | Values Added |
|---|---|---|
| CVSS |
v2 : v3 : |
v2 : unknown
v3 : 9.3 |
26 Nov 2025, 23:15
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2025-11-26 23:15
Updated : 2025-12-30 15:21
NVD link : CVE-2025-40934
Mitre link : CVE-2025-40934
CVE.ORG link : CVE-2025-40934
JSON object : View
Products Affected
xml\
- \
CWE
CWE-347
Improper Verification of Cryptographic Signature