# CVE-2026-92560: Apache Qpid Broker-J memory exhaustion denial of service

Source: https://junglewise.ai/threats/cve-2026-92560-a-pre-authentication-attacker-could-leverage-type-size-count  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-09-25. Updated: 2026-09-26  
License: CC BY 4.0 with a link back

CVE-2026-92560 · Severity: high · CVSS 7.5 · Published 2026-09-25

Apache Qpid Broker-J is a message broker that processes incoming network messages. An unauthenticated attacker can send specially crafted messages that exploit type size/count handling to allocate excessive memory, crashing the broker and causing service unavailability.

Technologies: [Apache Qpid Broker-J](https://junglewise.ai/threats/technologies/qpid-broker-j). Vendors: [Apache](https://junglewise.ai/threats/vendors/apache).

## Quick answers

**Is CVE-2026-92560 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-92560 being exploited in the wild.

**How severe is CVE-2026-92560?** High severity, with a CVSS score of 7.5, published 25 September 2026.

**Which products and versions are affected?** Apache Qpid Broker-J through 10.1.0.

**Is there a fix for CVE-2026-92560?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-92560 attacked?** It is attacked over the network, in a hosted service.

**Am I affected by CVE-2026-92560?** Check whether you run Apache Qpid Broker-J at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

A pre-authentication vulnerability in type size/count handling allows an unauthenticated network attacker to trigger excessive memory allocation leading to denial of service. The vulnerability affects Qpid Broker-J through version 10.1.0 and is fixed in version 10.1.1.

## Affected products

- Apache Qpid Broker-J through 10.1.0

## Timeline

- 2026-09-25: disclosed

## References

- [https://repo.maven.apache.org/maven2](https://repo.maven.apache.org/maven2)
- [https://lists.apache.org/thread/dcsjw242n1bxdog29hwlg43r5611dtb7](https://lists.apache.org/thread/dcsjw242n1bxdog29hwlg43r5611dtb7)

## Related threats

- [Apache Qpid Broker-J GZIP decompression denial of service](https://junglewise.ai/threats/cve-2026-92573-improper-handling-of-compressed-data-in-the-shared-gzip)
- [Apache Qpid Broker-J stack overflow in type parsing](https://junglewise.ai/threats/cve-2026-92564-a-pre-authentication-attacker-could-leverage-type-nesting-to)
- [Apache Qpid Broker-J denial of service via type allocation](https://junglewise.ai/threats/cve-2026-92550-a-pre-authentication-attacker-could-leverage-type-size-count)
- [Apache Qpid Broker-J session fixation in HTTP management authentication](https://junglewise.ai/threats/cve-2026-92609-session-fixation-in-http-management-authentication-allows-remote)
- [Apache Qpid Broker-J improper AMQP message property encoding exception handling](https://junglewise.ai/threats/cve-2026-92608-improper-handling-of-property-encoding-exceptions-in-amqp-1-0-to)