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TI-2024-35256 Aliases CVE-2024-52596GHSA-2x65-fpch-2fcm

SimpleSAMLphp xml-common XXE vulnerability

Priority MEDIUM 46CWE-611Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
High · None · High
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub.

Summary

SimpleSAMLphp xml-common is a common classes for handling XML-structures. When loading an (untrusted) XML document, for example the SAMLResponse, it's possible to induce an XXE. This vulnerability is fixed in 1.19.0.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00979 62nd percentileScored 2026-11-07
Fix Fixed xml-common (simplesamlphp): 1.20.0simplesamlphp/xml-common (Packagist): 1.20.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
simplesamlphpxml-commonbefore 1.20.01.20.0Patch availableCNA
—simplesamlphp/xml-common (Packagist)before 1.20.01.20.0Patch availableGHSA-2x65-fpch-2fcm
  • xml-common Vendorsimplesamlphp Affected before 1.20.0 Fixed in 1.20.0 Patch available CNA
  • simplesamlphp/xml-common (Packagist) Vendor— Affected before 1.20.0 Fixed in 1.20.0 Patch available GHSA-2x65-fpch-2fcm

CPE names CISA-ADP · 1

CPEVersionsRoleVendor
cpe:2.3:a:simplesamlphp:xml-common:*:*:*:*:*:*:*:*——simplesamlphp
  • cpe:2.3:a:simplesamlphp:xml-common:*:*:*:*:*:*:*:* Versions — — ·simplesamlphp

Remediation

  • Fix · CNA xml-common (simplesamlphp) Fixed in 1.20.0
  • Fix · GHSA-2x65-fpch-2fcm simplesamlphp/xml-common (Packagist) Fixed in 1.20.0 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-52596
  2. 2026-10-03 Alias added: GHSA-2x65-fpch-2fcm

References

  • TI-2025-20553 SimpleSAMLphp SAML2 library has incorrect signature verification for HTTP-Redirect binding CVSS 3.1HIGH 8.6
  • TI-2026-25110 xml-security is Missing AES-GCM Authentication Tag Validation on Encrypted Nodes Allows for Unauthorized Decryption CVSS 3.1HIGH 8.2
  • TI-2025-40522 SimpleSAMLphp-casserver has an Open Redirect vulnerability via logout CVSS 3.1MEDIUM 6.1
  • TI-2018-04801 The sqlauth module in SimpleSAMLphp before 1.15.2 relies on the MySQL utf8 charset, which… CVSS 3.0CRITICAL 9.8
  • TI-2017-09530 The secureCompare method in lib/SimpleSAML/Utils/Crypto.php in SimpleSAMLphp 1.14.13 and… CVSS 3.0CRITICAL 9.8
  • TI-2017-09535 SimpleSAMLphp 1.7.0 through 1.14.10 might allow attackers to obtain sensitive… CVSS 3.0CRITICAL 9.8
See all 37 →

Sources