Detections
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CVE-2026-59846

low

Description

A flaw was found in libssh. A malicious username expanded through %r in ProxyCommand handling can inject shell metacharacters, exposing environment variables and causing unintended shell behavior.

References

https://bugzilla.redhat.com/show_bug.cgi?id=2498179

https://access.redhat.com/security/cve/CVE-2026-59846

https://access.redhat.com/errata/RHSA-2026:42922

Details

Source: Mitre, NVD

Published: 2026-07-21

Updated: 2026-07-23

Risk Information

CVSS v2

Base Score: 3.2

Vector: CVSS2#AV:L/AC:L/Au:S/C:P/I:P/A:N

Severity: Low

CVSS v3

Base Score: 3.9

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N

Severity: Low

EPSS

EPSS: 0.00104