Vulnerability Details CVE-2026-67591
An authenticated attacker could exceed the session flow control incoming window potentially leading to denial of service.
This issue affects Apache Qpid ProtonJ2: through 1.1.0.
Users are recommended to upgrade to version 1.2.0, which fixes the issue.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.004
EPSS Ranking 34.8%
CVSS Severity
CVSS v3 Score 6.5
References
Products affected by CVE-2026-67591
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cpe:2.3:a:apache:qpid_protonj2:1.0.0
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cpe:2.3:a:apache:qpid_protonj2:1.1.0