#VU125779 Information Exposure Through Timing Discrepancy in phpseclib - CVE-2026-32935
Published: April 10, 2026
Vulnerability identifier: #VU125779
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-32935
CWE-ID: CWE-208
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
phpseclib
phpseclib
Software vendor:
phpseclib
phpseclib
Description
The vulnerability allows a remote attacker to disclose sensitive information.
The vulnerability exists due to observable timing discrepancy in AES-CBC unpadding when processing ciphertext in CBC mode. A remote attacker can send specially crafted ciphertext and measure response timing to disclose sensitive information.
Remediation
Install security update from vendor's website.