PT-2026-26464 · Phpseclib · Phpseclib

Highterrafrost · Published 2026-03-19 · Updated 2026-05-08 · CVE-2026-32935

Positive Technologies (AI Summary)

CVSS v4.0

8.2

High

Base vector

AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

Name of the Vulnerable Software and Affected Versions phpseclib versions 1.0.26 and below phpseclib versions 2.0.0 through 2.0.51 phpseclib versions 3.0.0 through 3.0.49

Description phpseclib is a PHP secure communications library. Projects utilizing the affected versions are susceptible to a padding oracle timing attack when using AES in CBC mode. The issue has been addressed in versions 1.0.27, 2.0.52, and 3.0.50.

Recommendations phpseclib versions 1.0.26 and below: Update to version 1.0.27 or later. phpseclib versions 2.0.0 through 2.0.51: Update to version 2.0.52 or later. phpseclib versions 3.0.0 through 3.0.49: Update to version 3.0.50 or later. As an alternative, use AES in CTR, CFB, or OFB modes.

Exploit

Fix

Weakness Enumeration

CWE-208

Related Identifiers

BDU:2026-04641

CVE-2026-32935

GHSA-94G3-G5V7-Q4JG

Affected Products

Phpseclib

References · 16

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/32xxx/CVE-2026-32935.json · Exploit
• https://github.com/phpseclib/phpseclib/commit/ccc21aef71eb170e9bf819b167e67d1fd9e6e788 · Patch
• https://github.com/phpseclib/phpseclib/security/advisories/GHSA-94g3-g5v7-q4jg · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2026-32935 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-94g3-g5v7-q4jg · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-32935 · Security Note
• https://bdu.fstec.ru/vul/2026-04641 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-32935 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-32935 · Security Note
• https://osv.dev/vulnerability/CVE-2026-32935 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-32935 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-32935 · Vendor Advisory
• https://github.com/phpseclib/phpseclib · Note
• https://t.me/cveNotify/162731 · Telegram Post
• https://twitter.com/VulmonFeeds/status/2034890203932905853 · Twitter Post