CVE-2026-59846

ADVISORY - nist

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.

EPSS Score⁠: 0.00119 (0.020)

Common Weakness Enumeration (CWE)

ADVISORY - nist

CWE-77⁠

Improper Neutralization of Special Elements used in a Command ('Command Injection')

CWE-78⁠

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Impacted images

Advisories

NIST

CREATED

1 month ago

UPDATED

1 day ago

ADVISORY IDCVE-2026-59846⁠

EXPLOITABILITY SCORE

1.3

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)

CWE-77⁠CWE-78⁠

CVSS SCORE

3.9low

Alpine

CREATED

1 month ago

UPDATED

1 month ago

ADVISORY IDCVE-2026-59846⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

Debian

CREATED

1 month ago

UPDATED

2 hours ago

ADVISORY IDCVE-2026-59846⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

Ubuntu

CREATED

1 month ago

UPDATED

2 days ago

ADVISORY IDCVE-2026-59846⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Amedium

Alma

CREATED

2 days ago

UPDATED

16 hours ago

ADVISORY IDALSA-2026:62217⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Amedium

Alma

CREATED

2 days ago

UPDATED

16 hours ago

ADVISORY IDALSA-2026:62218⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Amedium

Red Hat

CREATED

1 month ago

UPDATED

1 month ago

ADVISORY IDCVE-2026-59846⁠

EXPLOITABILITY SCORE

1.3

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

3.9low

Rocky

CREATED

16 days ago

UPDATED

15 days ago

ADVISORY IDRLSA-2026:55855⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Ahigh

Rocky

CREATED

19 hours ago

UPDATED

17 hours ago

ADVISORY IDRLSA-2026:62217⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Alow

Rocky

CREATED

19 hours ago

UPDATED

17 hours ago

ADVISORY IDRLSA-2026:62218⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Alow

Oracle

CREATED

17 days ago

UPDATED

17 days ago

ADVISORY IDELSA-2026-55855⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Ahigh

Chainguard

CREATED

22 days ago

UPDATED

22 days ago

ADVISORY ID

CGA-7v43-4x49-5hc4

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY