CVE-2026-67590

7.5 HIGH

Published 2026-08-05 · Updated 2026-08-07

AI risk analysis

Summary: The flaw allows a pre-authentication attacker to cause a StackOverflowError through type nesting, potentially leading to denial of service.
Exploitability: Exploitation requires pre-existing access and specific conditions; it is moderately difficult.
Blast radius: If exploited, the impact could be significant as it may lead to service disruption for affected systems.
Prioritized remediation: Upgrade to Apache Qpid ProtonJ2 version 1.2.0 immediately.

dostype-nestingapache-qpid

Analysis generated locally by qwen2.5:7b-instruct (no data left the box). AI-assisted — verify against primary sources before acting.

NVD description

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 vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses

CWE-674

Vendors

apache

Products

qpid protonj2

References

https://lists.apache.org/thread/kmov6k7f3moqy01m1s370fl61vgos3ly Mailing List, Vendor Advisory
http://www.openwall.com/lists/oss-security/2026/08/04/29 Mailing List, Third Party Advisory

Data: NVD (public domain). Analysis: local $0 model. Defensive use only.