PT-2026-54477

Name of the Vulnerable Software and Affected Versions UltraVNC versions prior to 1.8.2.3 Description The software uses a cryptographically weak pseudo-random number generator to produce VNC authentication challenge bytes. Specifically, the vncRandomBytes function seeds libc rand using a combinati...

CVE-2026-5083 Ado::Sessions versions through 0.935 for Perl generates insecure session ids

Ado::Sessions versions through 0.935 for Perl generates insecure session ids. The session id is generated from a SHA-1 hash seeded with the built-in rand function, the epoch time, and the PID. The PID will come from a small set of numbers, and the epoch time may be guessed, if it is not leaked fr...

CVE-2025-40926

The Plack::Middleware::Session::Simple Perl middleware (versions before 0.05 ) contains a vulnerability where session IDs are generated insecurely. The root cause is the use of a SHA-1 hash seeded with the built-in rand function, the epoch time, and the process ID (PID ). Because the rand functio...