CVE-2026-67588

CVE-2026-67588: Apache Qpid ProtonJ2: Unbounded symbol value caching can lead to pre-authentication resource exhaustion

Vendor Apache Software Foundation

Product Apache Qpid ProtonJ2

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

A pre-authentication attacker could leverage unbounded symbol value caching to cause resource exhaustion 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.

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-2026-67588 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-2026-67588: Apache Qpid ProtonJ2: Unbounded symbol value caching can lead to pre-authentication resource exhaustion

01Description

02Disclosure timeline

03References

04Related CVE