# CVE-2026-90487: Xuxueli xxl-job JobGroupController.java privileges management

> Remote attackers can exploit improper privilege management in the xxl-job admin console to escalate privileges, requiring immediate attention due to public exploit availability.

- **Severity:** Medium 5.3 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P`)
- **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:** 12 Sep 2026
- **Updated:** 14 Sep 2026
- **Also known as:** GHSA-w26j-6rp4-vhj5

## What is CVE-2026-90487?

CVE-2026-90487 is a medium-severity vulnerability in Xuxueli xxl-job, published on 12 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

A vulnerability was found in Xuxueli xxl-job up to 3.4.2. Affected by this issue is some unknown functionality of the file xxl-job-admin/src/main/java/com/xxl/job/admin/business/controller/JobGroupController.java. The manipulation results in improper privilege management. The attack may be launched remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-269 (Improper Privilege Management), CWE-266 (Incorrect Privilege Assignment)

## Which versions are affected by CVE-2026-90487?


## How do I fix CVE-2026-90487?

No fix has been published for CVE-2026-90487 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-90487 being exploited?

There is no known exploitation of CVE-2026-90487 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-90487 and fix it if it is affected.

What it is: CVE-2026-90487 is a medium-severity vulnerability in Xuxueli xxl-job, published on 12 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-2026-90487 in the wild and no public exploit code.

Affected product: Xuxueli xxl-job. 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-2026-90487/ (Markdown: https://insights.sbomify.com/CVE-2026-90487/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-90487
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-90487
- OSV: https://osv.dev/vulnerability/CVE-2026-90487

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-90487/
Summaries are generated and may contain mistakes; the official description above is the record.