RCE in Yangzongzhuan Ruoyi
CVE-2026-4564
A security vulnerability has been detected in yangzongzhuan RuoYi up to 4.8.2. This issue affects some unknown processing of the file /monitor/job/ of the component Quartz Job Handler. Such manipulation of the argument invokeTarget leads t…
EPSS: 0.001 (18.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L.
Affected products
- Yangzongzhuan Ruoyi — versions 4.8.0, 4.8.1, 4.8.2
Weakness classification (CWE)
References
- VDB-352401 | yangzongzhuan RuoYi Quartz Job job code injection (technical-description, vdb-entry)
- VDB-352401 | CTI Indicators (IOB, IOC, TTP, IOA) (signature, permissions-required)
- Submit #775116 | RuoYi RuoYi Management System 4.8.2 Code Injection (third-party-advisory)
- cna@vuldb.com (exploit)
Frequently asked questions
- What is CVE-2026-4564?
- CVE-2026-4564 is a medium-severity vulnerability in Yangzongzhuan Ruoyi, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 4.7/10. Published 2026-03-23.
- How severe is CVE-2026-4564?
- Medium severity. CVSS v3 base score is 4.7 out of 10.