CVE-2024-52806

8.3 highEPSS 0.4%

High (8.3). EPSS 0.4% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

8.3 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 37% of CVEs (scores of 2026-10-31)
CWE: CWE-611
Published: 2024-12-02
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

References

https://github.com/simplesamlphp/saml2/commit/5fd4ce4596656fb0c1278f15b8305825412e89f7
https://github.com/simplesamlphp/saml2/security/advisories/GHSA-pxm4-r5ph-q2m2

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