PT-2026-61950 · Libssh · Libssh
CVE-2026-59851
·
Published
2026-07-21
·
Updated
2026-08-17
CVSS v3.1
8.8
High
| Vector | AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Name of the Vulnerable Software and Affected Versions
libssh (affected versions not specified)
Description
A flaw exists in the
gssapi-keyex path on servers where GSSAPIKeyExchange is enabled. The system fails to verify if the authenticated Kerberos principal is authorized for the requested local user, which allows authenticated clients to log in as arbitrary users.Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Incorrect Authorization
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Weakness Enumeration
Related Identifiers
Affected Products
Libssh