CVE-2026-32935
mediumpriority · track · 24EPSS 0.004 · 33 %ileDEEURUUSEPSS · scored 2026-10-27
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
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 4.6–8.2
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (19)
Products and version ranges known to be affected.
advisories (2)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2026-1931Cacti: Mehrere SchwachstellenDeutsch2026-06-15csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Cacti ausnutzen, um beliebigen Programmcode auszuführen, um Sicherheitsvorkehrungen zu umgehen, um einen Cross-Site Scripting Angriff durchzuführen, um einen SQL-Injection Angriff durchzuführen, um Dateien zu manipulieren, und um Informationen offenzulegen.
- GHSA-94g3-g5v7-q4jgphpseclib's AES-CBC unpadding susceptible to padding oracle timing attack2026-03-19ghsa · osvUS
### Impact Those using AES in CBC mode may be susceptible to a padding oracle timing attack. ### Patches https://github.com/phpseclib/phpseclib/commit/ccc21aef71eb170e9bf819b167e67d1fd9e6e788 ### Workarounds Use AES in CTR, CFB or OFB modes ### References https://github.com/phpseclib/phpseclib/commit/ccc21aef71eb170e9bf819b167e67d1fd9e6e788
also known as (4)
Other names and identifiers for this entity.
sources
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references (8)
External citations — patches, advisories, analysis.
- https://access.redhat.com/security/cve/cve-2026-32935cnnvd
- https://github.com/phpseclib/phpseclib/commit/ccc21aef71eb170e9bf819b167e67d1fd9e6e788cnnvd
- https://github.com/phpseclib/phpseclib/releasesPatchcnnvd
- https://github.com/phpseclib/phpseclib/security/advisories/GHSA-94g3-g5v7-q4jgcnnvd
- https://github.com/phpseclib/phpseclib/commit/ccc21aef71eb170e9bf819b167e67d1fd9e6e788enisa_euvd
- https://github.com/phpseclib/phpseclib/security/advisories/GHSA-94g3-g5v7-q4jgenisa_euvd
- https://github.com/phpseclib/phpseclib/commit/ccc21aef71eb170e9bf819b167e67d1fd9e6e788Patchnvd
- https://github.com/phpseclib/phpseclib/security/advisories/GHSA-94g3-g5v7-q4jgPatchVendor Advisorynvd
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