CVE-2026-32935: Phpseclib

Medium severity, CVSS 5.9. EPSS: 0.4% chance of exploitation in the next 30 days.

phpseclib is a PHP secure communications library. Projects using versions 0.1.1 through 1.0.26, 2.0.0 through 2.0.51, and 3.0.0 through 3.0.49 are vulnerable to a to padding oracle timing attack when using AES in CBC mode. This issue has been fixed in versions 1.0.27, 2.0.52 and 3.0.50.

Affected products

• Phpseclib Phpseclib: before 1.0.27 (fixed in 1.0.27); from 2.0.0, before 2.0.52 (fixed in 2.0.52); from 3.0.0, before 3.0.50 (fixed in 3.0.50)

Published 2026-03-20. Last modified 2026-06-17.