Incorrect Authorization Affecting libssh-config package, versions *


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.29% (22nd percentile)

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  • Snyk IDSNYK-RHEL10-LIBSSHCONFIG-18162161
  • published22 Jul 2026
  • disclosed21 Jul 2026

Introduced: 21 Jul 2026

NewCVE-2026-59851  (opens in a new tab)
CWE-863  (opens in a new tab)

How to fix?

There is no fixed version for RHEL:10 libssh-config.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libssh-config package and not the libssh-config package as distributed by RHEL. See How to fix? for RHEL:10 relevant fixed versions and status.

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 Base Scores

version 3.1