CVE-2023-26267

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-02-21 · updated 2026-06-17
Weakness: CWE-611

Description

php-saml-sp before 1.1.1 and 2.x before 2.1.1 allows reading arbitrary files as the webserver user because resolving XML external entities was silently enabled via \LIBXML_DTDLOAD | \LIBXML_DTDATTR.

Affected products

Php-Saml-Sp Project Php-Saml-Sp: before 1.1.1; from 2.0.0 before 2.1.1 — fixed in 1.1.1, 2.1.1

How to fix

Upgrade to a fixed version: Php-Saml-Sp Project Php-Saml-Sp 1.1.1, 2.1.1. Check the vendor advisory for mitigations.

References

https://git.sr.ht/~fkooman/php-saml-sp/commit/851f75b298a77e62d9022f1b170f662f5f7716d6
https://git.sr.ht/~fkooman/php-saml-sp/log
https://git.sr.ht/~fkooman/php-saml-sp/commit/851f75b298a77e62d9022f1b170f662f5f7716d6
https://git.sr.ht/~fkooman/php-saml-sp/log

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