CVE-2026-25237

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.

CVSS v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/pear/pearweb/security/advisories/GHSA-vhw6-hqh9-8r23	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:pear:pearweb:*:*:*:*:*:*:*:*

History

17 Jun 2026, 10:24

Type	Values Removed	Values Added
Summary		(es) PEAR es un framework y sistema de distribución para componentes PHP reutilizables. Antes de la versión 1.33.0, el uso de preg_replace() con el modificador /e en el manejo de correos electrónicos de actualización de errores puede permitir la ejecución de código PHP si contenido controlado por el atacante llega al reemplazo evaluado. Este problema ha sido parcheado en la versión 1.33.0.

05 Feb 2026, 18:05

Type	Values Removed	Values Added
CPE		cpe:2.3:a:pear:pearweb::::::::
References	~~() https://github.com/pear/pearweb/security/advisories/GHSA-vhw6-hqh9-8r23 -~~	() https://github.com/pear/pearweb/security/advisories/GHSA-vhw6-hqh9-8r23 - Vendor Advisory
First Time		Pear Pear pearweb
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 9.8

03 Feb 2026, 19:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-02-03 19:16

Updated : 2026-06-17 10:24

NVD link : CVE-2026-25237

Mitre link : CVE-2026-25237

CVE.ORG link : CVE-2026-25237

JSON object : View

Products Affected

pear

pearweb

CWE

CWE-624

Executable Regular Expression Error

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