GHSA-5j8p-438x-rgg5: SAML PHP Toolkit Vulnerability on xmlseclibs CVE-2025-66475

critical Affects onelogin/php-saml. Feed 2026.10.29.1, updated 2026-10-28; published .

SAML PHP Toolkit Vulnerability on xmlseclibs CVE-2025-66475

Package
onelogin/php-saml Composer
Affected versions
<2.21.1 or >=3.0.0 and <3.8.1 or >=4.0.0 and <4.3.1
Fixed in
2.21.1, 3.8.1, 4.3.1
Severity
critical
Exploitation
not on CISA KEV
Published
2025-12-09
Source
osv.dev

References

CWE-1395
NVD recordonelogin/php-saml advisories

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