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CVE-2026-59846

🗓️ 21 Jul 2026 13:17:00Reported by ubuntu.comType 
ubuntucve
 ubuntucve
🔗 ubuntu.com👁 14 Views

A flaw in libssh lets a crafted username with %r in ProxyCommand inject metacharacters and expose environment variables.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-59846
21 Jul 202612:55
attackerkb
alpinelinux
AlpineLinux
CVE-2026-59846
21 Jul 202612:55
alpinelinux
cgr
Chainguard
CVE-2026-59846 vulnerabilities
12 Aug 202620:24
cgr
circl
Circl
CVE-2026-59846
21 Jul 202614:35
circl
cve
CVE
CVE-2026-59846
21 Jul 202612:55
cve
cvelist
Cvelist
CVE-2026-59846 Libssh: libssh: information disclosure via proxycommand %r username expansion
21 Jul 202612:55
cvelist
debian
Debian
[SECURITY] [DSA 6410-1] libssh security update
2 Aug 202607:37
debian
debiancve
Debian CVE
CVE-2026-59846
21 Jul 202612:55
debiancve
nessus
Tenable Nessus
Debian dsa-6410 : libssh-4 - security update
2 Aug 202600:00
nessus
nessus
Tenable Nessus
Fedora 43 : libssh (2026-063caa9112)
23 Jul 202600:00
nessus
Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Ubuntu16.04alllibssh0libssh_0_all.deb
Ubuntu18.04alllibssh0libssh_0_all.deb
Ubuntu20.04alllibssh0libssh_0_all.deb
Ubuntu22.04alllibssh0libssh_0_all.deb
Ubuntu24.04alllibssh0libssh_0_all.deb
Ubuntu26.04alllibssh0libssh_0_all.deb

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06 Aug 2026 19:58Current
6.1Medium risk
Vulners AI Score6.1
CVSS 3.13.9
EPSS0.00115
SSVC
14