High severity8.3OSV Advisory· Published Dec 2, 2024· Updated Apr 15, 2026

CVE-2024-52806

Description

SimpleSAMLphp SAML2 library is a PHP library for SAML2 related functionality. When loading an (untrusted) XML document, for example the SAMLResponse, it's possible to induce an XXE. This vulnerability is fixed in 4.6.14 and 5.0.0-alpha.18.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected packages

Versions sourced from the GitHub Security Advisory.

Package	Affected versions	Patched versions
simplesamlphp/saml2Packagist	< 4.6.14	4.6.14
simplesamlphp/saml2-legacyPackagist	< 4.6.14	4.6.14

Affected products

Simplesamlphp/Saml2OSV
Range: 1.5.3, 4.6.9, v0.1.0, …
ghsa-coords2 versions
pkg:composer/simplesamlphp/saml2 pkg:composer/simplesamlphp/saml2-legacy
< 4.6.14+ 1 more
- (no CPE)range: < 4.6.14
- (no CPE)range: < 4.6.14

Patches

Vulnerability mechanics

References

github.com/advisories/GHSA-pxm4-r5ph-q2m2ghsaADVISORY
nvd.nist.gov/vuln/detail/CVE-2024-52806ghsaADVISORY
github.com/simplesamlphp/saml2/commit/5fd4ce4596656fb0c1278f15b8305825412e89f7nvdWEB
github.com/simplesamlphp/saml2/security/advisories/GHSA-pxm4-r5ph-q2m2nvdWEB

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cvss	0.540
epss	0.000
exploit	0.000
kev	0.000
patch	-0.070
ransomware	0.000