CVE-2026-66275

CVE-2026-66275: Apache Qpid Proton-J: Incoming session flow control window can be exceeded

Vendor Apache Software Foundation

Product Apache Qpid Proton-J

Weakness CWE-770 · Uncontrolled resource consumption

Published August 5, 2026

Last update August 6, 2026

View on NVD All CVEs

CVSS base score

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What the vulnerability does

01Description

An authenticated attacker could exceed the session flow control incoming window potentially leading to denial of service. This issue affects Apache Qpid Proton-J: through 0.34.1. Users are recommended to upgrade to version 0.35.0, which fixes the issue.

Key dates

02Disclosure timeline

August 5, 2026 CVE published

August 6, 2026 Record updated

External resources

03References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2026-66275 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/770.html AskarLabs — CWE-770 write-up Allocation of Resources Without Limits or Throttling

Related vulnerabilities

CVE-2026-66275: Apache Qpid Proton-J: Incoming session flow control window can be exceeded

01Description

02Disclosure timeline

03References

04Related CVE