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CVE-2026-59851 Libssh: libssh: authentication bypass via missing gssapi principal check

🗓️ 21 Jul 2026 14:20:47Reported by redhatType 
cvelist
 cvelist
🔗 www.cve.org👁 33 Views

Libssh authentication bypass via missing gssapi principal check when GSSAPIKeyExchange is enabled.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-59851
21 Jul 202614:20
attackerkb
alpinelinux
AlpineLinux
CVE-2026-59851
21 Jul 202614:20
alpinelinux
cve
CVE
CVE-2026-59851
21 Jul 202614:20
cve
debiancve
Debian CVE
CVE-2026-59851
21 Jul 202614:20
debiancve
euvd
EUVD
EUVD-2026-46268
21 Jul 202614:20
euvd
fedora
Fedora
[SECURITY] Fedora 44 Update: libssh-0.12.1-1.fc44
23 Jul 202601:21
fedora
nessus
Tenable Nessus
Fedora 44 : libssh (2026-0e46c91ccf)
23 Jul 202600:00
nessus
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-59851
25 Jul 202600:00
nessus
nvd
NVD
CVE-2026-59851
21 Jul 202615:16
nvd
osv
OSV
BELL-CVE-2026-59851
22 Jul 202606:04
osv
Rows per page
[
  {
    "vendor": "Red Hat",
    "product": "Red Hat Hardened Images",
    "collectionURL": "https://catalog.redhat.com/software/containers/",
    "packageName": "libssh-main",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "0.12.1-4.hum1",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:hummingbird:1"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 10",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "libssh",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:10"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 8",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "libssh",
    "defaultStatus": "unaffected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:8"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 9",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "libssh",
    "defaultStatus": "unaffected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:9"
    ]
  }
]

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