CVE-2026-91996 lamp-cloud through 5.10.0 Missing Authentication for JVM Properties Endpoint
Unauthenticated attackers can access the JVM properties endpoint to retrieve sensitive system information, including classpaths and secrets.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-91996?
CVE-2026-91996 is a high-severity missing authorization vulnerability in dromara lamp-cloud, published on 15 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
lamp-cloud through 5.10.0 whitelists the path pattern /*/anno/** for anonymous access, allowing unauthenticated attackers to read the server's full JVM system property map. Attackers can send POST requests to /defGenProject/anno/getProperties to retrieve sensitive information including JVM classpath, filesystem paths, operating system details, and startup secrets.
Weakness: CWE-306
Which versions are affected by CVE-2026-91996?
How do I fix CVE-2026-91996?
No fix has been published for CVE-2026-91996 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-91996 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-91996 exists.
Sources
Also known as GHSA-8h63-cr94-gg65.