CVE-2025-66578: robrichards/xmlseclibs has an Libxml2 Canonicalization error which can bypass Digest/Signature validation

medium Affects robrichards/xmlseclibs. Feed 2026.10.29.4, updated 2026-10-29; published 2025-12-08; advisory modified 2025-12-09.

robrichards/xmlseclibs has an Libxml2 Canonicalization error which can bypass Digest/Signature validation

Package: robrichards/xmlseclibs Composer
Affected versions: <3.1.4
Fixed in: 3.1.4
Severity: medium CVSS 6.0
Exploitation: not on CISA KEV · EPSS 0% (15.3th percentile)
Published: 2025-12-08
Source: osv.dev

References

CWE-248

NVD record robrichards/xmlseclibs advisories

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GHSA-2g98-f9jv-w8c5 high robrichards/xmlseclibs XPath injection same package: robrichards/xmlseclibs
2018-09-27 unknown Filter input to avoid XPath injection same package: robrichards/xmlseclibs
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