# CVE-2026-84674: Missing authorization in Jenkins XebiaLabs XL Deploy Plugin

> Attackers with read permissions can enumerate stored credential IDs due to missing permission checks in the Jenkins XebiaLabs XL Deploy Plugin.

- **Severity:** Medium 5.4 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 2 Sep 2026
- **Updated:** 2 Sep 2026
- **Also known as:** GHSA-q7cv-8mcr-f55q

## What is CVE-2026-84674?

CVE-2026-84674 is a medium-severity missing authorization vulnerability in Jenkins XebiaLabs XL Deploy Plugin, published on 2 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

Missing permission checks in Jenkins XebiaLabs XL Deploy Plugin 26.1.0 and earlier allow attackers with Overall/Read permission to enumerate credentials IDs of credentials stored in Jenkins.

Weakness: CWE-862 (Missing Authorization)

## Which versions are affected by CVE-2026-84674?


## How do I fix CVE-2026-84674?

No fix has been published for CVE-2026-84674 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-84674 being exploited?

There is no known exploitation of CVE-2026-84674 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-84674 and fix it if it is affected.

What it is: CVE-2026-84674 is a medium-severity missing authorization vulnerability in Jenkins XebiaLabs XL Deploy Plugin, published on 2 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-84674 in the wild and no public exploit code.

Affected product: Jenkins XebiaLabs XL Deploy Plugin. 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-2026-84674/ (Markdown: https://insights.sbomify.com/CVE-2026-84674/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-84674
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-84674
- OSV: https://osv.dev/vulnerability/CVE-2026-84674

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-84674/
Summaries are generated and may contain mistakes; the official description above is the record.