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CVE-2026-59851highCWE-863

Libssh: libssh: authentication bypass via missing gssapi principal check

21Vexday Risk Score

Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.

ssvc Trackcvss 8.8epss 0.3%
probabilidad de explotación
0.3%top 80% de las CVE
explotación observada
noninguna fuente lo reporta
A flaw was found in libssh. On servers with GSSAPIKeyExchange enabled, the gssapi-keyex path does not verify whether the authenticated Kerberos principal is authorized for the requested local user, allowing authenticated clients to log in as arbitrary users.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H