Reference page — cumulative record through Saturday, October 3, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2026-91996

CVE-2026-91996HIGH

dromara lamp-cloud — lamp-cloud through 5.10.0 Missing Authentication for JVM Properties Endpoint

  AV  AC  AT  PR  UI  VC  VI  VA   CVSS    EPSS   %ile   KEV
   N   L   N   N   N   H   N   N    8.7   .0050   40.4     —

AFFECTED
  Product     Versions     Fixed
  lamp-cloud  unspecified  —

TIMELINE
  Sep 15  Reserved by VulnCheck
  Sep 15  Published (CNA: VulnCheck)
  Sep 17  EXPLOIT PUBLISHED — CVE-2026-91996 (dromara lamp-cloud). Public exploit reference added.
  Sep 24  EXPLOIT PUBLISHED — CVE-2026-91996 (dromara lamp-cloud). Public exploit reference added.

CWE-306 · CNA: VulnCheck · CVSS v4.0 · 5 references · NVD status: Deferred

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.

Lifecycle

Complete event history — 4 events, chronological
Date	Event	Detail
September 15, 2026	Reserved	Reserved by VulnCheck
September 15, 2026	Published	Published (CNA: VulnCheck)
September 17, 2026	EXPLOIT PUBLISHED	EXPLOIT PUBLISHED — CVE-2026-91996 (dromara lamp-cloud). Public exploit reference added.
September 24, 2026	EXPLOIT PUBLISHED	EXPLOIT PUBLISHED — CVE-2026-91996 (dromara lamp-cloud). Public exploit reference added.

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
dromara	lamp-cloud	—	—	—

Weaknesses

CWE-306

References (5)

https://github.com/dromara/lamp-cloud [product]
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 [technical-description]
https://github.com/dromara/lamp-cloud/blob/bdc1a406eb0f6291e9f6dbad9cbccd67bc6a37b6/lamp-public/lamp-common/src/main/java/top/tangyh/lamp/common/properties/IgnoreProperties.java#L88 [technical-description]
https://github.com/geo-chen/oss/blob/main/lamp-cloud.md [third-party-advisory, exploit]
https://www.vulncheck.com/advisories/lamp-cloud-through-5.10.0-missing-authentication-for-jvm-properties-endpoint [third-party-advisory]

Authoritative record: CVE-2026-91996 at cve.org

Vendors: dromara

Weaknesses: CWE-306

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-91996 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Saturday, October 3, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.