CVE-2026-9498 Dromara lamp-cloud Message Template GroovyClassLoader.parseClass special elements used in a template engine
Remote attackers can execute arbitrary code via Groovy injection in the message template handler of Dromara lamp-cloud.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-9498?
CVE-2026-9498 is a medium-severity code injection vulnerability in Dromara lamp-cloud, published on 25 May 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability has been found in Dromara lamp-cloud up to 5.6.2. Impacted is the function GroovyClassLoader.parseClass of the component Message Template Handler. Such manipulation of the argument DefMsgTemplate.content leads to improper neutralization of special elements used in a template engine. It is possible to launch the attack remotely. The exploit has been disclosed to the public 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-2026-9498?
How do I fix CVE-2026-9498?
No fix has been published for CVE-2026-9498 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-2026-9498 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-9498 exists.
Sources
Also known as GHSA-69m2-cj73-p6pp.