# CVE-2026-92560: Denial of service in Apache Qpid Broker-J

> A pre-authentication attacker can cause excessive memory allocation in the AMQP 0-10 decoder, leading to denial of service.

- **Severity:** High 7.5 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 25 Sep 2026
- **Updated:** 25 Sep 2026
- **Also known as:** GHSA-638c-6pmf-jwmg

## What is CVE-2026-92560?

CVE-2026-92560 is a high-severity denial of service vulnerability in Apache Qpid Broker-J, published on 25 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

A pre-authentication attacker could leverage type size/count handling to cause excessive allocation leading to potential denial of service.

This issue affects Apache Qpid Broker-J: through 10.1.0.

Users are recommended to upgrade to version 10.1.1, which fixes the issue.

Weakness: CWE-770 (Allocation of Resources Without Limits or Throttling)

## Which versions are affected by CVE-2026-92560?

It affects 1 product.


Products: Apache Qpid Broker-J.

## How do I fix CVE-2026-92560?

No fix has been published for CVE-2026-92560 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-92560 being exploited?

There is no known exploitation of CVE-2026-92560 in the wild and no public exploit code.

## Other vulnerabilities in Apache Qpid Broker-J

- [CVE-2026-92609](https://insights.sbomify.com/CVE-2026-92609/): Apache Qpid Broker-J: Missing HTTP-session renewal after successful authentication (critical 9.8)
- [CVE-2017-15702](https://insights.sbomify.com/CVE-2017-15702/): Apache Qpid Broker vulnerable to authentication port spoofing (critical 9.8)
- [CVE-2016-4432](https://insights.sbomify.com/CVE-2016-4432/): AMQP 0-8, 0-9, 0-91, and 0-10 connection handling in Apache Qpid Java before 6.0.3 might allow remote attackers to bypass authentication (critical 9.1)
- [CVE-2026-92550](https://insights.sbomify.com/CVE-2026-92550/): Denial of service in Apache Qpid Broker-J (high 7.5)
- [CVE-2026-92564](https://insights.sbomify.com/CVE-2026-92564/): Denial of service in Apache Qpid Broker-J (high 7.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-92560 and fix it if it is affected.

What it is: CVE-2026-92560 is a high-severity denial of service vulnerability in Apache Qpid Broker-J, published on 25 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-92560 in the wild and no public exploit code.

Affected product: Apache Qpid Broker-J. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-92560/ (Markdown: https://insights.sbomify.com/CVE-2026-92560/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-92560
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-92560
- OSV: https://osv.dev/vulnerability/CVE-2026-92560

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-92560/
Summaries are generated and may contain mistakes; the official description above is the record.