CVE-2024-52596

SimpleSAMLphp xml-common XXE vulnerability

HIGH

8.8

CVSS Score

Published: December 2, 2024 at 04:24 PM UTC

Updated: June 17, 2026 at 08:07 AM UTC

1 product affected across 1 vendorXML Common

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Severity

HIGH8.8

Exploit prediction

EPSS 1.0%

SSVC

No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

XML Common · Simplesamlphp

60%

v < 1.20.0

Affected range stops below 1.20.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (3)

x_refsource_MISC

Source: [email protected]

https://github.com/simplesamlphp/xml-common/commit/fa4ade391c3194466acf5fbfd5d2ecdbf5e831f5

x_refsource_CONFIRM

Source: [email protected]

https://github.com/simplesamlphp/xml-common/security/advisories/GHSA-2x65-fpch-2fcm

Source: af854a3a-2127-422b-91ae-364da2661108

https://lists.debian.org/debian-lts-announce/2024/12/msg00001.html

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGHGitHub_M

Vector?

Quick Info

StatusDEFERRED

CWE

CWE-611

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