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CVE-2026-81829 Smallrye-jwt: quarkus-smallrye-jwt: smallrye-jwt: unauthenticated same-origin ssrf via unsanitized jwt kid header in awsalbkeyresolver

🗓️ 17 Sep 2026 14:01:30Reported by redhatType 
cvelist
 cvelist
🔗 www.cve.org👁 39 Views

Unauthenticated same-origin SSRF in Smallrye JWT AwsAlbKeyResolver via unsanitized JWT kid header.

Related
Affected
Refs
[
  {
    "vendor": "Red Hat",
    "product": "Exploit Intelligence",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "exploit-intelligence/agent-client-rhel9",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/a:redhat:exploit_intelligence:0"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat build of Apicurio Registry 3",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "quarkus-smallrye-jwt",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/a:redhat:apicurio_registry:3"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat build of Apicurio Registry 3",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "smallrye-jwt",
    "defaultStatus": "unknown",
    "cpes": [
      "cpe:/a:redhat:apicurio_registry:3"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat JBoss Enterprise Application Platform 8",
    "collectionURL": "https://access.redhat.com/jbossnetwork/restricted/listSoftware.html",
    "packageName": "smallrye-jwt",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/a:redhat:jboss_enterprise_application_platform:8"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat JBoss Enterprise Application Platform Expansion Pack",
    "collectionURL": "https://access.redhat.com/jbossnetwork/restricted/listSoftware.html",
    "packageName": "smallrye-jwt",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/a:redhat:jbosseapxp"
    ]
  }
]

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21 Sep 2026 17:24Current
CVSS 3.15.3
EPSS0.00584
SSVC
39