CVE-2026-19758

HIGHPre-NVD 7.37.3—
EchelonGraph scoreHIGH confidence

Score 7.3 from GitHub Security Advisory published 2026-08-14. a secondary CVSS source baseline 7.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this weekElevated
7.3EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.3Exploit: Elevated riskExposed: 0

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

A vulnerability was determined in dromara lamp-cloud up to 5.10.0. This issue affects some unknown processing of the file FileChunkController.java of the component chunk-check endpoint. Executing a manipulation of the argument Name can lead to path traversal. The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.

CVSS v3
7.3
EG Score
7.3(high)
EG Risk
64(Attend)
EG Risk 64/100SSVC: 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
Severity73% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
0%
EPSS %ILE
36%
KEV
Not listed

Published

August 13, 2026

Last Modified

August 18, 2026

Advisory Details (2)

Auto-updated Aug 14, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

Arbitrary file-existence and size oracle via chunk check (path traversal in `name`) · Issue #413 · dromara/lamp-cloud · GitHub

https://github.com/dromara/lamp-cloud/issues/413
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/

Vendor Advisories for CVE-2026-19758(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 34× in last 7d / 38× 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. 2026-08-21 02:02 UTCEG score recompute
  2. 2026-08-21 02:02 UTCGHSA enrichment
  3. 2026-08-20 22:55 UTCEPSS rescore
  4. 2026-08-20 14:16 UTCGHSA enrichment
  5. 2026-08-20 02:21 UTCEG score recompute
  6. 2026-08-20 02:21 UTCGHSA enrichment
  7. 2026-08-19 17:03 UTCEPSS rescore
  8. 2026-08-19 14:35 UTCGHSA enrichment
  9. 2026-08-19 02:49 UTCEG score recompute
  10. 2026-08-19 02:48 UTCGHSA enrichment
  11. 2026-08-18 14:52 UTCEG score recompute
  12. 2026-08-18 14:52 UTCGHSA enrichment
  13. 2026-08-18 13:52 UTCEG score recompute
  14. 2026-08-18 13:51 UTCGHSA enrichment
  15. 2026-08-18 13:48 UTCEPSS rescore
  16. 2026-08-18 13:45 UTCMITRE cvelistV5CVSS v4 → 6.9
  17. 2026-08-18 06:52 UTCGHSA enrichment
  18. 2026-08-17 19:07 UTCEG score recompute
  19. 2026-08-17 19:07 UTCGHSA enrichment
  20. 2026-08-17 13:47 UTCEPSS rescore
  21. 2026-08-17 06:04 UTCGHSA enrichment
  22. 2026-08-16 18:19 UTCEG score recompute
  23. 2026-08-16 18:19 UTCGHSA enrichment
  24. 2026-08-16 14:56 UTCEPSS rescore
  25. 2026-08-16 06:33 UTCEG score recompute
Show 13 more
  1. 2026-08-16 06:33 UTCGHSA enrichment
  2. 2026-08-16 02:14 UTCEPSS rescore
  3. 2026-08-15 18:48 UTCGHSA enrichment
  4. 2026-08-15 07:02 UTCEG score recompute
  5. 2026-08-15 07:02 UTCGHSA enrichment
  6. 2026-08-15 01:30 UTCEPSS rescore
  7. 2026-08-14 19:16 UTCGHSA enrichment
  8. 2026-08-14 13:10 UTCEG score recompute
  9. 2026-08-14 13:10 UTCGHSA enrichment
  10. 2026-08-14 01:24 UTCEG score recompute
  11. 2026-08-14 01:24 UTCNVD updateCVSS v4 → 5.5
  12. 2026-08-13 23:42 UTCEG score recompute
  13. 2026-08-13 23:41 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-19758?
CVE-2026-19758 is a high vulnerability published on August 13, 2026. A vulnerability was determined in dromara lamp-cloud up to 5.10.0. This issue affects some unknown processing of the file FileChunkController.java of the component chunk-check endpoint. Executing a manipulation of the argument Name can lead to path traversal. The attack can be launched remotely.…
When was CVE-2026-19758 disclosed?
CVE-2026-19758 was first published in the National Vulnerability Database on August 13, 2026, with the most recent update on August 18, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-19758 actively exploited?
CVE-2026-19758 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 64.3% of all scored CVEs.
What is the CVSS score of CVE-2026-19758?
CVE-2026-19758 has a CVSS v3 base score of 7.3 (NVD).
How do I remediate CVE-2026-19758?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-19758, 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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