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CVE-2026-57817 Apache CXF: The authorization code hash (c_hash) is not enforced for the hybrid OIDC flow

🗓️ 06 Aug 2026 10:24:05Reported by apacheType 
cvelist
 cvelist
🔗 www.cve.org👁 6 Views

CVE-2026-57817: CXF hybrid flow lacks code hash enforcement, enabling substitution attacks; upgrade to 4.2.3, 4.1.8, or 3.6.12.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-57817
6 Aug 202610:24
attackerkb
cve
CVE
CVE-2026-57817
6 Aug 202610:24
cve
nvd
NVD
CVE-2026-57817
6 Aug 202611:16
nvd
[
  {
    "collectionURL": "https://repo.maven.apache.org/maven2",
    "defaultStatus": "unaffected",
    "packageName": "org.apache.cxf:cxf-rt-rs-security-sso-oidc",
    "product": "Apache CXF",
    "vendor": "Apache Software Foundation",
    "versions": [
      {
        "lessThan": "4.2.3",
        "status": "affected",
        "version": "4.2.0",
        "versionType": "semver"
      },
      {
        "lessThan": "4.1.8",
        "status": "affected",
        "version": "4.0.0",
        "versionType": "semver"
      },
      {
        "lessThan": "3.6.12",
        "status": "affected",
        "version": "0",
        "versionType": "semver"
      }
    ]
  }
]

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