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CVE-2026-47074 ex_aws_sns SigningCertURL not validated in verify_message/1

🗓️ 28 May 2026 09:05:54Reported by EEFType 
cvelist
 cvelist
🔗 www.cve.org👁 57 Views

CVE-2026-47074: ExAws Simple Notification Service fails to validate SigningCertURL, enabling signature spoofing.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-47074
28 May 202609:05
–attackerkb
circl
Circl
CVE-2026-47074
28 May 202612:19
–circl
cnnvd
CNNVD
ExAws.SNS security vulnerabilities
28 May 202600:00
–cnnvd
cve
CVE
CVE-2026-47074
28 May 202609:05
–cve
euvd
EUVD
EUVD-2026-32861
26 Jun 202621:57
–euvd
github
Github Security Blog
ex_aws_sns: Trusted-attacker `SigningCertURL` permits complete SNS signature bypass
26 Jun 202622:50
–github
mend
Mend
CVE-2026-47074
28 May 202609:05
–mend
nvd
NVD
CVE-2026-47074
28 May 202610:16
–nvd
osv_cve
osv_cve
CVE-2026-47074 ex_aws_sns SigningCertURL not validated in verify_message/1
28 May 202609:05
–osv_cve
osv_eef
osv_eef
EEF-CVE-2026-47074 ex_aws_sns SigningCertURL not validated in verify_message/1
28 May 202609:05
–osv_eef
Rows per page
[
  {
    "collectionURL": "https://hex.pm",
    "cpes": [
      "cpe:2.3:a:ex_aws_sns_project:ex_aws_sns:*:*:*:*:*:*:*:*"
    ],
    "defaultStatus": "unaffected",
    "modules": [
      "'Elixir.ExAws.SNS'",
      "'Elixir.ExAws.SNS.PublicKeyCache'"
    ],
    "packageName": "ex_aws_sns",
    "packageURL": "pkg:hex/ex_aws_sns",
    "product": "ex_aws_sns",
    "programFiles": [
      "lib/ex_aws/sns.ex",
      "lib/ex_aws/sns/public_key_cache.ex"
    ],
    "programRoutines": [
      {
        "name": "'Elixir.ExAws.SNS':verify_message/1"
      },
      {
        "name": "'Elixir.ExAws.SNS.PublicKeyCache':get/1"
      }
    ],
    "repo": "https://github.com/ex-aws/ex_aws_sns",
    "vendor": "ex-aws",
    "versions": [
      {
        "lessThan": "2.3.5",
        "status": "affected",
        "version": "2.0.1",
        "versionType": "semver"
      }
    ]
  },
  {
    "collectionURL": "https://github.com",
    "cpes": [
      "cpe:2.3:a:ex_aws_sns_project:ex_aws_sns:*:*:*:*:*:*:*:*"
    ],
    "defaultStatus": "unaffected",
    "modules": [
      "'Elixir.ExAws.SNS'",
      "'Elixir.ExAws.SNS.PublicKeyCache'"
    ],
    "packageName": "ex-aws/ex_aws_sns",
    "packageURL": "pkg:github/ex-aws/ex_aws_sns",
    "product": "ex_aws_sns",
    "programFiles": [
      "lib/ex_aws/sns.ex",
      "lib/ex_aws/sns/public_key_cache.ex"
    ],
    "programRoutines": [
      {
        "name": "'Elixir.ExAws.SNS':verify_message/1"
      },
      {
        "name": "'Elixir.ExAws.SNS.PublicKeyCache':get/1"
      }
    ],
    "repo": "https://github.com/ex-aws/ex_aws_sns",
    "vendor": "ex-aws",
    "versions": [
      {
        "lessThan": "1853d280b152d10384a1e21a22cf22152a60be48",
        "status": "affected",
        "version": "a7ec21880943f4dac1d59bda557db0ffcd2b61fa",
        "versionType": "git"
      }
    ]
  }
]

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