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CVE-2026-55734 guardian atom exhaustion in Guardian.Permissions.encode_permissions!/1

🗓️ 01 Aug 2026 18:46:24Reported by EEFType 
cvelist
 cvelist
🔗 www.cve.org👁 10 Views

CVE-2026-55734 Denial of service via atom-table exhaustion in Guardian.Permissions.encode_permissions!/1 from unvalidated integer keys.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-55734
1 Aug 202618:46
attackerkb
cve
CVE
CVE-2026-55734
1 Aug 202618:46
cve
euvd
EUVD
EUVD-2026-51917
1 Aug 202618:46
euvd
nvd
NVD
CVE-2026-55734
1 Aug 202619:16
nvd
osv
OSV
EEF-CVE-2026-55734 guardian atom exhaustion in Guardian.Permissions.encode_permissions!/1
1 Aug 202618:46
osv
[
  {
    "collectionURL": "https://repo.hex.pm",
    "cpes": [
      "cpe:2.3:a:ueberauth:guardian:*:*:*:*:*:*:*:*"
    ],
    "defaultStatus": "unaffected",
    "modules": [
      "'Elixir.Guardian.Permissions'"
    ],
    "packageName": "guardian",
    "packageURL": "pkg:hex/guardian",
    "product": "guardian",
    "programFiles": [
      "lib/guardian/permissions.ex"
    ],
    "programRoutines": [
      {
        "name": "'Elixir.Guardian.Permissions':encode_permissions!/1"
      },
      {
        "name": "'Elixir.Guardian.Permissions':encode_permissions_into_claims!/2"
      },
      {
        "name": "'Elixir.Guardian.Permissions':do_encode_permissions!/2"
      }
    ],
    "repo": "https://github.com/ueberauth/guardian",
    "vendor": "ueberauth",
    "versions": [
      {
        "lessThan": "2.4.1",
        "status": "affected",
        "version": "2.0.0",
        "versionType": "semver"
      }
    ]
  },
  {
    "collectionURL": "https://github.com",
    "cpes": [
      "cpe:2.3:a:ueberauth:guardian:*:*:*:*:*:*:*:*"
    ],
    "defaultStatus": "unaffected",
    "modules": [
      "'Elixir.Guardian.Permissions'"
    ],
    "packageName": "ueberauth/guardian",
    "packageURL": "pkg:github/ueberauth/guardian",
    "product": "guardian",
    "programFiles": [
      "lib/guardian/permissions.ex"
    ],
    "programRoutines": [
      {
        "name": "'Elixir.Guardian.Permissions':encode_permissions!/1"
      },
      {
        "name": "'Elixir.Guardian.Permissions':encode_permissions_into_claims!/2"
      },
      {
        "name": "'Elixir.Guardian.Permissions':do_encode_permissions!/2"
      }
    ],
    "repo": "https://github.com/ueberauth/guardian",
    "vendor": "ueberauth",
    "versions": [
      {
        "lessThan": "8d4efbfc352d30f5fcfc75a4d69a795b0e472724",
        "status": "affected",
        "version": "b7a6128ca4d0ffb7f7df5219dd982304ff9d6802",
        "versionType": "git"
      }
    ]
  }
]

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