CVE-2026-25237
Critical
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.
SeverityCritical
CVSS9.8
Exploit probability—
ProductPearweb
PublishedFeb 3, 2026
First seenFeb 3, 2026
Weakness typeCWE-624CWE-624
How to fix
Update
- pear pearweb1.33.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| pear pearweb | v < 1.33.0 | 1.33.0 |
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