CVE-2026-32935

HIGH EPSS 29.3%
Published Mar 20, 20263mo ago · Modified Jun 17, 20262w ago
8.2 CVSS 4.0
High
Find Similar
Published Mar 20, 2026 3mo ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
8.2
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
29.3% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-208

Affected Products 3

VendorProductVersionRange
phpseclibphpseclib* <1.0.27
phpseclibphpseclib*≥2.0.0  –  <2.0.52
phpseclibphpseclib*≥3.0.0  –  <3.0.50

References 2

  • github.com https://github.com/phpseclib/phpseclib/commit/ccc21aef71eb170e9bf819b167e67d1fd9e6e788
    Patch
  • github.com https://github.com/phpseclib/phpseclib/security/advisories/GHSA-94g3-g5v7-q4jg
    PatchVendor Advisory

Remediation

  • github.com https://github.com/phpseclib/phpseclib/commit/ccc21aef71eb170e9bf819b167e67d1fd9e6e788
    Patch
  • github.com https://github.com/phpseclib/phpseclib/security/advisories/GHSA-94g3-g5v7-q4jg
    PatchVendor Advisory