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CVE-2026-5845 Improper authorization fallback allows scoped user-to-server token installation escape in GitHub Enterprise Server

🗓️ 21 Apr 2026 22:42:13Reported by GitHub_PType 
cvelist
 cvelist
🔗 www.cve.org👁 28 Views

CVE-2026-5845 allows token fallback to access private repos outside scope on GitHub Enterprise Server.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-5845
21 Apr 202622:42
attackerkb
Circl
CVE-2026-5845
22 Apr 202601:19
circl
CNNVD
GitHub Enterprise Server 安全漏洞
21 Apr 202600:00
cnnvd
CVE
CVE-2026-5845
21 Apr 202622:42
cve
EUVD
EUVD-2026-24552
22 Apr 202600:31
euvd
NVD
CVE-2026-5845
21 Apr 202623:16
nvd
Positive Technologies
PT-2026-34212
21 Apr 202600:00
ptsecurity
Vulnrichment
CVE-2026-5845 Improper authorization fallback allows scoped user-to-server token installation escape in GitHub Enterprise Server
21 Apr 202622:42
vulnrichment
[
  {
    "vendor": "GitHub",
    "product": "Enterprise Server",
    "versions": [
      {
        "status": "affected",
        "version": "3.20.0",
        "lessThan": "3.20.1",
        "changes": [
          {
            "at": "3.20.1",
            "status": "unaffected"
          }
        ],
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "3.19.0",
        "lessThanOrEqual": "3.19.4",
        "changes": [
          {
            "at": "3.19.5",
            "status": "unaffected"
          }
        ],
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "3.18.0",
        "lessThanOrEqual": "3.18.7",
        "changes": [
          {
            "at": "3.18.8",
            "status": "unaffected"
          }
        ],
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "3.17.0",
        "lessThanOrEqual": "3.17.13",
        "changes": [
          {
            "at": "3.17.14",
            "status": "unaffected"
          }
        ],
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "3.16.0",
        "lessThanOrEqual": "3.16.16",
        "changes": [
          {
            "at": "3.16.17",
            "status": "unaffected"
          }
        ],
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "3.15.0",
        "lessThanOrEqual": "3.15.20",
        "changes": [
          {
            "at": "3.15.21",
            "status": "unaffected"
          }
        ],
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "3.14.0",
        "lessThanOrEqual": "3.14.25",
        "changes": [
          {
            "at": "3.14.26",
            "status": "unaffected"
          }
        ],
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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