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CVE-2026-53961

🗓️ 09 Jul 2026 21:48:11Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 28 Views🌐 WEB

Discourse before 2026.6 allowed forged Amazon Web Services bounce notices to disable a target email.

Related
Detection
Affected
Refs
Paths
NVD
Vulners
Node
OR
discoursediscourseRange2026.1.02026.1.5
discoursediscourseRange2026.4.02026.4.2
discoursediscourseRange2026.5.02026.5.1
discoursediscourseMatch2026.6.0latest
[
  {
    "vendor": "discourse",
    "product": "discourse",
    "versions": [
      {
        "version": ">= 2026.5.0-latest, < 2026.5.1",
        "status": "affected"
      },
      {
        "version": ">= 2026.4.0-latest, < 2026.4.2",
        "status": "affected"
      },
      {
        "version": ">= 2026.1.0-latest, < 2026.1.5",
        "status": "affected"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
TopicArnrequest body/webhooks/awsDiscourse AWS SES bounce webhook endpoint accepts forged signed SNS Bounce notifications due to missing binding to trusted TopicArn values.CWE-345
Messagerequest body/webhooks/awsDiscourse AWS SES bounce webhook endpoint accepts forged signed SNS Bounce notifications due to missing binding to trusted TopicArn values.CWE-345
Signaturerequest body/webhooks/awsDiscourse AWS SES bounce webhook endpoint accepts forged signed SNS Bounce notifications due to missing binding to trusted TopicArn values.CWE-345
SigningCertURLrequest body/webhooks/awsDiscourse AWS SES bounce webhook endpoint accepts forged signed SNS Bounce notifications due to missing binding to trusted TopicArn values.CWE-345

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