CVE-2026-19038: MonomythDevelopment la-forge-mcp · Path Traversal
Source GCVE Database
Public exploit available · CVSS 5.3 Medium · fixed in 1.1.1 : patch la-forge-mcp as a priority.
Data as of 5 Nov 2026, 00:01 UTC
- EPSS
- 0.4% chance of exploitation in 30 days – higher than 34% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 1.1.1
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:PExploitation evidence
Disclosed: evidence found.
CVE published 6 Aug 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: evidence found.
CVSS exploit maturity: proof of concept public
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), CVSS vector, the Metasploit, Exploit-DB and nuclei-templates index as of 5 Nov 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| MonomythDevelopmentla-forge-mcp | Affected
| Fixed in– |
GitHubmonomythdevelopment/la-forge-mcppkg:github/monomythdevelopment/la-forge-mcpOther threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Upgrade MonomythDevelopment la-forge-mcp to version 1.1.1, which contains the official fix for this vulnerability. No other mitigation actions are indicated as the vendor has provided a timely patch.
Description
CVE-2026-19038 is a path traversal vulnerability in MonomythDevelopment la-forge-mcp version 1.0.0 affecting the screenshotElement function in src/index.ts. This vulnerability allows remote attackers to manipulate the output_name argument to perform path traversal. The issue is fixed in version 1.1.1.
References
- nvd.nist.gov/vuln/detail/CVE-2026-19038 (opens in a new tab)
- github.com/MonomythDevelopment/la-forge-mcp/issues/1 (opens in a new tab)
- github.com/gongyanyugyy/public_exp/issues/12 (opens in a new tab)
- github.com/MonomythDevelopment/la-forge-mcp/commit/1102172c9adec4a619e241efd6bfb74f5b1f4332 (opens in a new tab)
- github.com/MonomythDevelopment/la-forge-mcp (opens in a new tab)
- github.com/MonomythDevelopment/la-forge-mcp/releases/tag/v1.1.1 (opens in a new tab)
- vuldb.com/cve/CVE-2026-19038 (opens in a new tab)
- vuldb.com/submit/863827 (opens in a new tab)
- vuldb.com/vuln/386457 (opens in a new tab)
- vuldb.com/vuln/386457/cti (opens in a new tab)