CVE-2026-59846
3.9
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|
Weaknesses
Workarounds
Make sure you are not executing connections with untrusted username inputs.
References
- https://access.redhat.com/security/cve/CVE-2026-59846
- https://bugzilla.redhat.com/show_bug.cgi?id=2498179
Feedback
Was this page helpful?
Glad to hear it! Please tell us how we can improve.
Sorry to hear that. Please tell us how we can improve.