Unrated severityOSV Advisory· Published Feb 3, 2026· Updated Feb 4, 2026
PEAR is Vulnerable to PHP Code Execution via preg_replace /e in Bug Update Emails
CVE-2026-25237
Description
PEAR is a framework and distribution system for reusable PHP components. Prior to version 1.33.0, use of preg_replace() with the /e modifier in bug update email handling can enable PHP code execution if attacker-controlled content reaches the evaluated replacement. This issue has been patched in version 1.33.0.
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Affected products
2Patches
Vulnerability mechanics
References
1- github.com/pear/pearweb/security/advisories/GHSA-vhw6-hqh9-8r23mitrex_refsource_CONFIRM
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