CVE-2026-4564 yangzongzhuan RuoYi Quartz Job job code injection
Remote attackers with permissions can inject malicious code via the invokeTarget argument in the Quartz Job Handler, leading to arbitrary code execution.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-4564?
CVE-2026-4564 is a medium-severity code injection vulnerability in yangzongzhuan RuoYi, published on 22 Mar 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
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 to code injection. It is possible to launch the attack remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Which versions are affected by CVE-2026-4564?
How do I fix CVE-2026-4564?
No fix has been published for CVE-2026-4564 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2026-4564 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-4564 exists.
Sources
Also known as GHSA-g23v-6jmr-rc3m.