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

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-09-12 · updated 2026-09-14
Weakness: CWE-266

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.

Affected products

Xuxueli xxl-job: 3.4.0, 3.4.1, 3.4.2

References

https://github.com/zhaizejiang/xxl-job-vuln-poc/edit/main/xxl-job3.4.2_loadById%20Endpoint%20Missing%20Authentication.md
https://vuldb.com/cve/CVE-2026-90487
https://vuldb.com/submit/888438
https://vuldb.com/vuln/403075
https://vuldb.com/vuln/403075/cti

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