A vulnerability described as critical has been identified in libssh2 up to 1.11.1. The impacted element is the function
userauth_password of the file src/userauth.c. Such manipulation of the argument username_len/password_len leads to integer overflow.
This vulnerability is traded as CVE-2026-7598. The attack may be launched remotely. There is no exploit available.
A patch should be applied to remediate this issue.