CVE-2026-91996

HIGHPre-NVD 7.57.5—
EchelonGraph scoreHIGH confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-09-15. a secondary CVSS source baseline 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this weekElevated
7.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.5Exploit: Elevated riskExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
7.5
EG Score
7.5(high)
EG Risk
65(Attend)
EG Risk 65/100SSVC: Attend

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity75% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
0%
EPSS %ILE
30%
KEV
Not listed

Published

September 15, 2026

Last Modified

September 17, 2026

Advisory Details (5)

Auto-updated Sep 15, 2026
No patch confirmed yet.
generic

lamp-cloud through 5.10.0 Missing Authentication for JVM Properties Endpoint | Advisories | VulnCheck

https://www.vulncheck.com/advisories/lamp-cloud-through-5.10.0-missing-authentication-for-jvm-properties-endpoint
generic

GitHub - dromara/lamp-cloud: [灯灯]微服务中后台快速开发平台，支持jdk21、jdk17、jdk8，专注于多租户、开放平台解决方案，亦可作为普通项目（非SaaS架构）的基础开发框架使用，目前已实现插拔式数据库隔离、SCHEMA隔离、字段隔离 等租户隔离方案。 · GitHub

https://github.com/dromara/lamp-cloud
generic

lamp-cloud/lamp-generator/lamp-generator-controller/src/main/java/top/tangyh/lamp/generator/controller/DefGenProjectController.java at bdc1a406eb0f6291e9f6dbad9cbccd67bc6a37b6 · dromara/lamp-cloud · GitHub

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
generic

lamp-cloud/lamp-public/lamp-common/src/main/java/top/tangyh/lamp/common/properties/IgnoreProperties.java at bdc1a406eb0f6291e9f6dbad9cbccd67bc6a37b6 · dromara/lamp-cloud · GitHub

https://github.com/dromara/lamp-cloud/blob/bdc1a406eb0f6291e9f6dbad9cbccd67bc6a37b6/lamp-public/lamp-common/src/main/java/top/tangyh/lamp/common/properties/IgnoreProperties.java#L88
generic

oss/lamp-cloud.md at main · geo-chen/oss · GitHub

https://github.com/geo-chen/oss/blob/main/lamp-cloud.md

Vendor Advisories for CVE-2026-91996(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 28× in last 7d / 28× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-09-21 04:18 UTCEG score recompute
  2. 2026-09-21 04:18 UTCGHSA enrichment
  3. 2026-09-20 20:16 UTCEPSS rescore
  4. 2026-09-20 16:11 UTCGHSA enrichment
  5. 2026-09-20 04:04 UTCGHSA enrichment
  6. 2026-09-19 15:57 UTCEG score recompute
  7. 2026-09-19 15:57 UTCGHSA enrichment
  8. 2026-09-19 03:50 UTCEG score recompute
  9. 2026-09-19 03:50 UTCGHSA enrichment
  10. 2026-09-18 19:28 UTCEPSS rescore
  11. 2026-09-18 15:42 UTCGHSA enrichment
  12. 2026-09-18 03:31 UTCEG score recompute
  13. 2026-09-18 03:31 UTCGHSA enrichment
  14. 2026-09-17 19:32 UTCEPSS rescore
  15. 2026-09-17 15:24 UTCEG score recompute
  16. 2026-09-17 15:24 UTCGHSA enrichment
  17. 2026-09-17 14:35 UTCEG score recompute
  18. 2026-09-17 14:35 UTCGHSA enrichment
  19. 2026-09-17 13:01 UTCGHSA enrichment
  20. 2026-09-17 00:54 UTCEG score recompute
  21. 2026-09-17 00:54 UTCGHSA enrichment
  22. 2026-09-16 14:09 UTCEPSS rescore
  23. 2026-09-16 12:47 UTCGHSA enrichment
  24. 2026-09-16 00:40 UTCEG score recompute
  25. 2026-09-16 00:40 UTCGHSA enrichment
Show 3 more
  1. 2026-09-15 12:30 UTCEG score recompute
  2. 2026-09-15 11:43 UTCEG score recompute
  3. 2026-09-15 11:42 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-91996?
CVE-2026-91996 is a high vulnerability published on September 15, 2026. 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,…
When was CVE-2026-91996 disclosed?
CVE-2026-91996 was first published in the National Vulnerability Database on September 15, 2026, with the most recent update on September 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-91996 actively exploited?
CVE-2026-91996 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 69.7% of all scored CVEs.
What is the CVSS score of CVE-2026-91996?
CVE-2026-91996 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2026-91996?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-91996, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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