CVE-2026-91996: lamp-cloud through 5.10.0 Missing Authentication for JVM Properties Endpoint

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-09-15 · updated 2026-09-22
Weakness: CWE-306

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.

Affected products

dromara lamp-cloud: through 5.10.0

References

https://github.com/dromara/lamp-cloud
https://github.com/dromara/lamp-cloud/blob/bdc1a406eb0f6291e9f6dbad9cbccd67bc6a37b6/lamp-generator/lamp-generator-controller/src/main/java/top/tangyh/lamp/generator/controller/DefGenProjectController.java#L61-L64
https://github.com/dromara/lamp-cloud/blob/bdc1a406eb0f6291e9f6dbad9cbccd67bc6a37b6/lamp-public/lamp-common/src/main/java/top/tangyh/lamp/common/properties/IgnoreProperties.java#L88
https://github.com/geo-chen/oss/blob/main/lamp-cloud.md
https://www.vulncheck.com/advisories/lamp-cloud-through-5.10.0-missing-authentication-for-jvm-properties-endpoint
https://github.com/geo-chen/oss/blob/main/lamp-cloud.md

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