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URL: https://nvd.nist.gov/vuln/detail/CVE-2026-32935

⇱ NVD - CVE-2026-32935

  1. Vulnerabilities

CVE-2026-32935 Detail

Modified After Enrichment

This CVE record has been updated after NVD enrichment efforts were completed. Enrichment data supplied by the NVD may require amendment due to these changes.

Current 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.


View Analysis Description

Analysis Description

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.

Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NVD assessment not yet provided.

CVSS-B 8.2 HIGH
Vector:  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

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://github.com/phpseclib/phpseclib/commit/ccc21aef71eb170e9bf819b167e67d1fd9e6e788 GitHub, Inc. Patch 
https://github.com/phpseclib/phpseclib/security/advisories/GHSA-94g3-g5v7-q4jg GitHub, Inc. Patch  Vendor Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-208 Observable Timing Discrepancy GitHub, Inc.  

Known Affected Software Configurations Switch to CPE 2.2

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Denotes Vulnerable Software
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Change History

5 change records found show changes

CVE Modified by CISA-ADP 6/17/2026 6:36:35 AM

Action Type Old Value New Value
Added SSVC 
{"timestamp":"2026-03-20T16:31:59.292752Z","id":"CVE-2026-32935","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}

CVE Modified by GitHub, Inc. 6/17/2026 6:36:35 AM

Action Type Old Value New Value
Added Affected 
[{"vendor":"phpseclib","product":"phpseclib","versions":[{"version":">= 3.0.0, < 3.0.50","status":"affected"},{"version":">= 2.0.0, < 2.0.52","status":"affected"},{"version":">= 0.1.1, < 1.0.27","status":"affected"}]}]

CVE Modified by GitHub, Inc. 5/08/2026 12:16:10 PM

Action Type Old Value New Value
Changed Description 
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.


 
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.

Initial Analysis by NIST 3/23/2026 3:23:56 PM

Action Type Old Value New Value
Added CVSS V3.1 
AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Added CPE Configuration 
OR
 *cpe:2.3:a:phpseclib:phpseclib:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.27
 *cpe:2.3:a:phpseclib:phpseclib:*:*:*:*:*:*:*:* versions from (including) 2.0.0 up to (excluding) 2.0.52
 *cpe:2.3:a:phpseclib:phpseclib:*:*:*:*:*:*:*:* versions from (including) 3.0.0 up to (excluding) 3.0.50
Added Reference Type 
GitHub, Inc.: https://github.com/phpseclib/phpseclib/commit/ccc21aef71eb170e9bf819b167e67d1fd9e6e788 Types: Patch
Added Reference Type 
GitHub, Inc.: https://github.com/phpseclib/phpseclib/security/advisories/GHSA-94g3-g5v7-q4jg Types: Patch, Vendor Advisory

New CVE Received from GitHub, Inc. 3/19/2026 11:16:00 PM

Action Type Old Value New Value
Added Description 
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.
Added CVSS V4.0 
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
Added CWE 
CWE-208
Added Reference 
https://github.com/phpseclib/phpseclib/commit/ccc21aef71eb170e9bf819b167e67d1fd9e6e788
Added Reference 
https://github.com/phpseclib/phpseclib/security/advisories/GHSA-94g3-g5v7-q4jg

Quick Info

CVE Dictionary Entry:
CVE-2026-32935
NVD Published Date:
03/19/2026
NVD Last Modified:
06/17/2026
Source:
GitHub, Inc.