CVE-2026-67590

CVE-2026-67590: Apache Qpid ProtonJ2: Unbounded type nesting can lead to pre-authentication stackoverflow

Vendor Apache Software Foundation

Product Apache Qpid ProtonJ2

Weakness CWE-674

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 type nesting to cause a StackOverflowError 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.

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-2026-67590 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/674.html AskarLabs — CWE-674 write-up Uncontrolled Recursion