CVE-2026-81535

In wolfSSH through 1.5.0 built with --enable-fwd, DoChannelOpen in src/internal.c gates only direct-tcpip channel opens with the forwarding policy callback. forwarded-tcpip opens are admitted without an authorization check and are not capped in number, allowing a malicious SSH peer to make an...

EUVD-2026-94162

In wolfSSH through 1.5.0 built with --enable-fwd, DoChannelOpen in src/internal.c gates only direct-tcpip channel opens with the forwarding policy callback. forwarded-tcpip opens are admitted without an authorization check and are not capped in number, allowing a malicious SSH peer to make an...

CVE-2026-81535 wolfSSH SSH client accepts unsolicited forwarded-tcpip channel opens without an authorization check

In wolfSSH through 1.5.0 built with --enable-fwd, DoChannelOpen in src/internal.c gates only direct-tcpip channel opens with the forwarding policy callback. forwarded-tcpip opens are admitted without an authorization check and are not capped in number, allowing a malicious SSH peer to make an...

CVE-2026-81535

The wolfSSH SSH client (versions through 1.5.0 built with --enable-fwd) is vulnerable to an authorization bypass in the DoChannelOpen() function located in src/internal.c. The software only validates direct-tcpip channel opens against the forwarding policy, while forwarded-tcpip opens are admitte...