CVE-2026-59846 - Libssh: libssh: information disclosure via proxycommand %r username expansion

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Starburst-David
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Joined: Wed Feb 11, 2026 8:31 pm

CVE-2026-59846 - Libssh: libssh: information disclosure via proxycommand %r username expansion

Post by Starburst-David »

CVE ID: CVE-2026-59846
Published: July 21, 2026
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.
Severity: 3.9 | LOW

More Information:
https://cvefeed.io/vuln/detail/CVE-2026-59846
 

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