CVE-2026-32935

phpseclib is a PHP secure communications library. Projects using versions 1.0.26 and below, 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 v3 5.9 MEDIUM

5.9^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.2 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/phpseclib/phpseclib/commit/ccc21aef71eb170e9bf819b167e67d1fd9e6e788	Patch
https://github.com/phpseclib/phpseclib/security/advisories/GHSA-94g3-g5v7-q4jg	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:phpseclib:phpseclib::::::::
	cpe:2.3:a:phpseclib:phpseclib::::::::
	cpe:2.3:a:phpseclib:phpseclib::::::::

History

23 Mar 2026, 19:23

Type	Values Removed	Values Added
Summary		(es) phpseclib es una biblioteca PHP de comunicaciones seguras. Los proyectos que utilizan las versiones 1.0.26 e inferiores, 2.0.0 hasta 2.0.51, y 3.0.0 hasta 3.0.49 son vulnerables a un ataque de temporización de oráculo de relleno al usar AES en modo CBC. Este problema ha sido solucionado en las versiones 1.0.27, 2.0.52 y 3.0.50.
References	~~() https://github.com/phpseclib/phpseclib/commit/ccc21aef71eb170e9bf819b167e67d1fd9e6e788 -~~	() https://github.com/phpseclib/phpseclib/commit/ccc21aef71eb170e9bf819b167e67d1fd9e6e788 - Patch
References	~~() https://github.com/phpseclib/phpseclib/security/advisories/GHSA-94g3-g5v7-q4jg -~~	() https://github.com/phpseclib/phpseclib/security/advisories/GHSA-94g3-g5v7-q4jg - Patch, Vendor Advisory
First Time		Phpseclib Phpseclib phpseclib
CPE		cpe:2.3:a:phpseclib:phpseclib::::::::
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 5.9

20 Mar 2026, 03:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-03-20 03:16

Updated : 2026-03-23 19:23

NVD link : CVE-2026-32935

Mitre link : CVE-2026-32935

CVE.ORG link : CVE-2026-32935

JSON object : View

Products Affected

phpseclib

phpseclib

CWE

CWE-208

Observable Timing Discrepancy

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