Apache Qpid Broker-J pre-auth DoS via unbounded symbol caching (10.0.1)
CVE-2026-68074 Published on August 5, 2026
Apache Qpid Broker-J: Unbounded symbol value caching can lead to pre-authentication resource exhaustion
A pre-authentication attacker could leverage unbounded symbol value caching to cause resource exhaustion leading to denial of service.
This issue affects Apache Qpid Broker-J: through 10.0.1.
Users are recommended to upgrade to version 10.1.0, which fixes the issue.
Vulnerability Analysis
CVE-2026-68074 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on availability.
Weakness Type
Allocation of Resources Without Limits or Throttling
The software allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor.
Products Associated with CVE-2026-68074
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Affected Versions
Apache Software Foundation Apache Qpid Broker-J:- Before and including 10.0.1 is affected.