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CVE-2026-59851

—
CVSS 3.1
8.8 high
EPSS
<1%p21
Published
()
Modified
Description

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.

Vendors
libsshredhat
Products
libssh, hardened images, enterprise linux
Weakness
CWE-863
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD CVE.org GitHub PoCs EPSS (0.3%)

In the news

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