CVE-2024-52806

SimpleSAMLphp SAML2 has an XXE in parsing SAML messages

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.

Affected

simplesamlphp · saml2

CVSS v4.0 GitHub

6.9 MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:L

CVSS v3.1 GITHUB

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

EPSS

0.43% chance of exploitation in the next 30 days, 36th percentile

Published

2024-12-02

Proof-of-concept exploits (1)

• heartlesseorg-dot/CVE-2024-52806-PoC0★ · 2026-08-12

Security advisories

• advisories/GHSA-pxm4-r5ph-q2m2

References

• CVE Record
• NVD entry

Related

• CVE-2024-52596