A flaw was found in libssh. A malicious username expanded through %r in ProxyCommand handling can inject shell metacharacters, exposing environment… (CVE-2026-59846)
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.
A flaw was found in libssh. A malicious username expanded through %r in ProxyCommand handling can inject shell metacharacters, exposing environment… (CVE-2026-59846)
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.
CVSS v3.1
Score 3.9low
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-fvwj-j79q-57v7
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-59846"]
- Database Specific Severity
- LOW
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a6150e19c2644c7f8da17c5
Added to database: 07/22/2026, 23:23:13 UTC
Last enriched: 08/19/2026, 16:17:20 UTC
Last updated: 09/11/2026, 22:08:24 UTC
Views: 133
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