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CVE-2026-77866

🗓️ 15 Sep 2026 15:38:15Reported by EEFType 
cve
 cve
🔗 web.nvd.nist.gov👁 33 Views

SSRF in Slab safeurl from 0.1.0 onward; attacker with validated URL bypasses IPv4-only blocklist.

Related
Detection
Affected
Refs
CNA
Node
slabsafeurlRange0.1.0≥
[
  {
    "collectionURL": "https://repo.hex.pm",
    "cpes": [
      "cpe:2.3:a:slab:safeurl:*:*:*:*:*:*:*:*"
    ],
    "defaultStatus": "unaffected",
    "modules": [
      "'Elixir.SafeURL'"
    ],
    "packageName": "safeurl",
    "packageURL": "pkg:hex/safeurl",
    "product": "safeurl",
    "programFiles": [
      "lib/safeurl/safeurl.ex"
    ],
    "programRoutines": [
      {
        "name": "'Elixir.SafeURL':validate/2"
      },
      {
        "name": "'Elixir.SafeURL':allowed?/2"
      }
    ],
    "repo": "https://github.com/slab/safeurl-elixir",
    "vendor": "Slab",
    "versions": [
      {
        "lessThan": "*",
        "status": "affected",
        "version": "0.1.0",
        "versionType": "semver"
      }
    ]
  },
  {
    "collectionURL": "https://github.com",
    "cpes": [
      "cpe:2.3:a:slab:safeurl:*:*:*:*:*:*:*:*"
    ],
    "defaultStatus": "unaffected",
    "modules": [
      "'Elixir.SafeURL'"
    ],
    "packageName": "slab/safeurl-elixir",
    "packageURL": "pkg:github/slab/safeurl-elixir",
    "product": "safeurl",
    "programFiles": [
      "lib/safeurl/safeurl.ex"
    ],
    "programRoutines": [
      {
        "name": "'Elixir.SafeURL':validate/2"
      },
      {
        "name": "'Elixir.SafeURL':allowed?/2"
      }
    ],
    "repo": "https://github.com/slab/safeurl-elixir",
    "vendor": "Slab",
    "versions": [
      {
        "lessThan": "*",
        "status": "affected",
        "version": "feabbd0a13f83028ab24b71710526e9da9841f70",
        "versionType": "git"
      }
    ]
  }
]

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21 Sep 2026 19:17Current
5.9Medium risk
Vulners AI Score5.9
CVSS 49
EPSS0.0048
SSVC
33