Vulnerability Details CVE-2026-67590
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 11.4%
CVSS Severity
CVSS v3 Score 7.5