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CVE-2026-77987

🗓️ 22 Sep 2026 20:43:53Reported by GitHub_PType 
cve
 cve
🔗 web.nvd.nist.gov👁 60 Views

SSRF in GitHub Enterprise Server notebook viewer enables RCE via secrets extraction.

Related
Detection
Affected
Refs
NVD
Vulners
Node
OR
githubenterprise_serverRange3.17.0–3.17.21
githubenterprise_serverRange3.18.0–3.18.15
githubenterprise_serverRange3.19.0–3.19.12
githubenterprise_serverRange3.20.0–3.20.8
githubenterprise_serverRange3.21.0–3.21.6
githubenterprise_serverRange3.22.0–3.22.1
[
  {
    "vendor": "GitHub",
    "product": "Enterprise Server",
    "versions": [
      {
        "status": "affected",
        "version": "3.17.0",
        "lessThan": "3.17.*",
        "changes": [
          {
            "at": "3.17.21",
            "status": "unaffected"
          }
        ],
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "3.18.0",
        "lessThan": "3.18.*",
        "changes": [
          {
            "at": "3.18.15",
            "status": "unaffected"
          }
        ],
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "3.19.0",
        "lessThan": "3.19.*",
        "changes": [
          {
            "at": "3.19.12",
            "status": "unaffected"
          }
        ],
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "3.20.0",
        "lessThan": "3.20.*",
        "changes": [
          {
            "at": "3.20.8",
            "status": "unaffected"
          }
        ],
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "3.21.0",
        "lessThan": "3.21.*",
        "changes": [
          {
            "at": "3.21.6",
            "status": "unaffected"
          }
        ],
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "3.22.0",
        "lessThan": "3.22.*",
        "changes": [
          {
            "at": "3.22.1",
            "status": "unaffected"
          }
        ],
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unknown"
  }
]

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02 Oct 2026 18:37Current
6.2Medium risk
Vulners AI Score6.2
CVSS 3.19.8
CVSS 49.3
EPSS0.0068
SSVC
60