CVE-2026-19038

MEDIUMPre-NVD 6.36.3—
EchelonGraph scoreHIGH confidence

Score 6.3 from GitHub Security Advisory (severity: LOW) published 2026-08-06. a secondary CVSS source baseline 6.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this weekElevated
6.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 6.3Exploit: Elevated riskExposed: 0

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

A security vulnerability has been detected in MonomythDevelopment la-forge-mcp 1.0.0. This issue affects the function screenshotElement of the file src/index.ts of the component screenshot_element Tool. Such manipulation of the argument output_name leads to path traversal. The attack can be executed remotely. Upgrading to version 1.1.1 is capable of addressing this issue. The name of the patch is 1102172c9adec4a619e241efd6bfb74f5b1f4332. Upgrading the affected component is advised. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.

CVSS v3
6.3
EG Score
6.3(high)
EG Risk
44(Track)
EG Risk 44/100SSVC: Track

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
Severity63% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
39%
KEV
Not listed

Published

August 6, 2026

Last Modified

August 12, 2026

Advisory Details (4)

Auto-updated Aug 6, 2026
Upstream fix merged — awaiting tagged release. Sources: github_commit.
generic

GitHub - MonomythDevelopment/la-forge-mcp: Visual CSS debugging for AI coding assistants — an MCP server for pixel-perfect screenshot comparison, computed-style extraction, and CSS rule-chain analysis. · GitHub

https://github.com/MonomythDevelopment/la-forge-mcp/
github_commit

commit 1102172c9ade (MonomythDevelopment/la-forge-mcp)

Fix landed in MonomythDevelopment/la-forge-mcp commit 1102172c9ade — awaiting tagged release

https://github.com/MonomythDevelopment/la-forge-mcp/commit/1102172c9adec4a619e241efd6bfb74f5b1f4332
generic

Path Traversal Screenshot File Write Vulnerability in MonomythDevelopment/la-forge-mcp · Issue #1 · MonomythDevelopment/la-forge-mcp · GitHub

https://github.com/MonomythDevelopment/la-forge-mcp/issues/1
generic

Path Traversal Screenshot File Write Vulnerability in MonomythDevelopment/la-forge-mcp · Issue #12 · gongyanyugyy/public_exp · GitHub

https://github.com/gongyanyugyy/public_exp/issues/12

Vendor Advisories for CVE-2026-19038(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 21× in last 7d / 50× 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 01:26 UTCEG score recompute
  2. 2026-08-21 01:26 UTCGHSA enrichment
  3. 2026-08-20 22:55 UTCEPSS rescore
  4. 2026-08-20 00:54 UTCEG score recompute
  5. 2026-08-20 00:54 UTCGHSA enrichment
  6. 2026-08-19 17:03 UTCEPSS rescore
  7. 2026-08-19 00:19 UTCEG score recompute
  8. 2026-08-19 00:19 UTCGHSA enrichment
  9. 2026-08-18 13:48 UTCEPSS rescore
  10. 2026-08-17 23:47 UTCEG score recompute
  11. 2026-08-17 23:47 UTCGHSA enrichment
  12. 2026-08-17 13:47 UTCEPSS rescore
  13. 2026-08-16 23:15 UTCEG score recompute
  14. 2026-08-16 23:15 UTCGHSA enrichment
  15. 2026-08-16 14:56 UTCEPSS rescore
  16. 2026-08-16 02:14 UTCEPSS rescore
  17. 2026-08-15 22:43 UTCEG score recompute
  18. 2026-08-15 22:43 UTCGHSA enrichment
  19. 2026-08-15 01:30 UTCEPSS rescore
  20. 2026-08-14 22:10 UTCEG score recompute
  21. 2026-08-14 22:10 UTCGHSA enrichment
  22. 2026-08-13 22:00 UTCEPSS rescore
  23. 2026-08-13 21:38 UTCGHSA enrichment
  24. 2026-08-12 21:06 UTCGHSA enrichment
  25. 2026-08-12 19:44 UTCEG score recompute
Show 25 more
  1. 2026-08-12 19:44 UTCGHSA enrichment
  2. 2026-08-12 13:50 UTCEPSS rescore
  3. 2026-08-11 19:12 UTCEG score recompute
  4. 2026-08-11 19:12 UTCGHSA enrichment
  5. 2026-08-11 13:42 UTCEPSS rescore
  6. 2026-08-11 00:00 UTCEPSS rescore
  7. 2026-08-10 18:40 UTCGHSA enrichment
  8. 2026-08-09 18:08 UTCEG score recompute
  9. 2026-08-09 18:08 UTCGHSA enrichment
  10. 2026-08-09 13:46 UTCEPSS rescore
  11. 2026-08-08 17:37 UTCEG score recompute
  12. 2026-08-08 17:37 UTCGHSA enrichment
  13. 2026-08-08 16:37 UTCEPSS rescore
  14. 2026-08-07 17:05 UTCEG score recompute
  15. 2026-08-07 17:05 UTCGHSA enrichment
  16. 2026-08-06 16:33 UTCEG score recompute
  17. 2026-08-06 16:33 UTCGHSA enrichment
  18. 2026-08-06 15:29 UTCEG score recompute
  19. 2026-08-06 15:26 UTCNVD updateCVSS v4 → 2.1
  20. 2026-08-06 14:45 UTCEG score recompute
  21. 2026-08-06 14:41 UTCMITRE cvelistV5CVSS v4 → 5.3
  22. 2026-08-06 13:36 UTCEG score recompute
  23. 2026-08-06 13:36 UTCNVD updateCVSS v4 → 2.1
  24. 2026-08-06 13:09 UTCEG score recompute
  25. 2026-08-06 13:08 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-19038?
CVE-2026-19038 is a medium vulnerability published on August 6, 2026. A security vulnerability has been detected in MonomythDevelopment la-forge-mcp 1.0.0. This issue affects the function screenshotElement of the file src/index.ts of the component screenshotelement Tool. Such manipulation of the argument outputname leads to path traversal. The attack can be executed…
When was CVE-2026-19038 disclosed?
CVE-2026-19038 was first published in the National Vulnerability Database on August 6, 2026, with the most recent update on August 12, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-19038 actively exploited?
CVE-2026-19038 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 60.7% of all scored CVEs.
What is the CVSS score of CVE-2026-19038?
CVE-2026-19038 has a CVSS v3 base score of 6.3 (NVD).
How do I remediate CVE-2026-19038?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-19038, 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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