CVE-2026-67588

7.5 HIGH

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

AI risk analysis

Summary: The flaw involves unbounded symbol value caching which can lead to resource exhaustion and denial of service. This matters because attackers can exploit it without authentication.
Exploitability: Exploitation requires pre-authentication access but is relatively straightforward given the right conditions.
Blast radius: If exploited, this could significantly impact availability by causing service disruptions for affected systems.
Prioritized remediation: Upgrade to Apache Qpid ProtonJ2 version 1.2.0 immediately to address the issue.

dosauthlesscache

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 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.

CVSS vector

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

Weaknesses

CWE-770

Vendors

apache

Products

qpid protonj2

References

https://lists.apache.org/thread/vk4j02dzggfdrdkwvzmqo4jro2tgj0jt Mailing List, Vendor Advisory
http://www.openwall.com/lists/oss-security/2026/08/04/27 Mailing List, Third Party Advisory

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