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CVE-2026-67591 Apache Qpid ProtonJ2: Incoming session flow control window can be exceeded

🗓️ 05 Aug 2026 05:38:26Reported by apacheType 
cvelist
 cvelist
🔗 www.cve.org👁 7 Views

Authenticated attacker can exceed ProtonJ2 flow control up to 1.1.0, risking service disruption.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-67591
4 Aug 202620:06
circl
cve
CVE
CVE-2026-67591
5 Aug 202605:38
cve
euvd
EUVD
EUVD-2026-53089
5 Aug 202605:38
euvd
nvd
NVD
CVE-2026-67591
5 Aug 202607:16
nvd
[
  {
    "collectionURL": "https://repo.maven.apache.org/maven2",
    "defaultStatus": "unaffected",
    "packageName": "org.apache.qpid:protonj2",
    "product": "Apache Qpid ProtonJ2",
    "vendor": "Apache Software Foundation",
    "versions": [
      {
        "lessThanOrEqual": "1.1.0",
        "status": "affected",
        "version": "0",
        "versionType": "semver"
      }
    ]
  }
]

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