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CVE PROGRAM SOURCE RECORD8.2 High

CVE-2026-32935

phpseclib's AES-CBC unpadding susceptible to padding oracle timing attack

Description

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

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

phpseclib phpseclib

  • >= 3.0.0, < 3.0.50affected
  • >= 2.0.0, < 2.0.52affected
  • >= 0.1.1, < 1.0.27affected

References