Incorrect Authorization Affecting libssh-config package, versions <0:0.12.0-3.el10_2


Severity

Recommended
0.0
high
0
10

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.49% (40th percentile)

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  • Snyk IDSNYK-ALMALINUX10-LIBSSHCONFIG-18959248
  • published19 Aug 2026
  • disclosed17 Aug 2026

Introduced: 17 Aug 2026

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

How to fix?

Upgrade AlmaLinux:10 libssh-config to version 0:0.12.0-3.el10_2 or higher.
This issue was patched in ALSA-2026:55855.

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 AlmaLinux. See How to fix? for AlmaLinux: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