# CVE-2026-68080: Apache Qpid Broker-J: Unbounded echo flow responses can lead to denial of service


- **Severity:** Medium 6.5 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H`)
- **Exploited in the wild:** Not known
- **Fix available:** No
- **Published:** 5 Aug 2026
- **Updated:** 5 Aug 2026
- **Also known as:** GHSA-3jgf-c787-2jmh

## What is CVE-2026-68080?

CVE-2026-68080 is a medium-severity vulnerability in Apache Qpid Broker-J, published on 5 Aug 2026. 

### Official description

It was not possible to govern the rate at which the broker would respond to an echo flow, enabling an authenticated attacker to cause excessive resource usage and potential 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.

Weakness: CWE-406 (Insufficient Control of Network Message Volume (Network Amplification))

## Which versions are affected by CVE-2026-68080?

It affects 1 product.


Products: Apache Qpid Broker-J.

## How do I fix CVE-2026-68080?

No fix has been published for CVE-2026-68080 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-68080 being exploited?

There is no known exploitation of CVE-2026-68080 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-2026-92560](https://insights.sbomify.com/CVE-2026-92560/): Denial of service in Apache Qpid Broker-J (high 7.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-68080 and fix it if it is affected.

What it is: CVE-2026-68080 is a medium-severity vulnerability in Apache Qpid Broker-J, published on 5 Aug 2026. 
Exploitation: There is no known exploitation of CVE-2026-68080 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-2026-68080/ (Markdown: https://insights.sbomify.com/CVE-2026-68080/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-68080
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-68080
- OSV: https://osv.dev/vulnerability/CVE-2026-68080

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-68080/
Summaries are generated and may contain mistakes; the official description above is the record.