CVE-2026-67590highCWE-674

CVE-2026-67590: high-severity vulnerability in Apache Qpid ProtonJ2

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

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21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 7.5epss 0.8%
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
Apache Software Foundation · Apache Qpid ProtonJ2
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