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CVE-2026-56854

🗓️ 28 Aug 2026 15:14:26Reported by GoType 
cve
 cve
🔗 web.nvd.nist.gov👁 250 Views

Source-address restriction bypass in golang.org/x/crypto/ssh for non-public-key auth callbacks.

Related
Detection
Affected
Refs
Vulners
Node
golangcryptoRange<0.55.0go
[
  {
    "vendor": "golang.org/x/crypto",
    "product": "golang.org/x/crypto/ssh",
    "collectionURL": "https://pkg.go.dev",
    "packageName": "golang.org/x/crypto/ssh",
    "versions": [
      {
        "version": "0",
        "lessThan": "0.55.0",
        "status": "affected",
        "versionType": "semver"
      }
    ],
    "programRoutines": [
      {
        "name": "connection.serverAuthenticate"
      },
      {
        "name": "NewServerConn"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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03 Sep 2026 16:37Current
6Medium risk
Vulners AI Score6
CVSS 3.17.5
EPSS0.00437
SSVC
250