← All advisoriesImportant severity8.8NVD Advisory· Published Jul 21, 2026libssh: libssh: authentication bypass via missing GSSAPI principal checkCVE-2026-59851Descriptionlibssh: libssh: authentication bypass via missing GSSAPI principal checkAffected products2Libssh/Libsshinferred2 versions(expand)+ 1 more(no CPE)(no CPE)PatchesVulnerability mechanicsNews mentions0No linked articles in our index yet.