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CVE-2026-54030

🗓️ 25 Jun 2026 15:48:00Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 4 Views

LibreChat before 0.8.5 allows token theft by a malicious MCP server from OAuth resource validation.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-54030
25 Jun 202615:48
attackerkb
Cvelist
CVE-2026-54030 LibreChat: Missing Resource Parameter Validation in MCP OAuth Flow
25 Jun 202615:48
cvelist
EUVD
EUVD-2026-39457
25 Jun 202615:48
euvd
NVD
CVE-2026-54030
25 Jun 202617:16
nvd
Vulners
Node
[
  {
    "vendor": "danny-avila",
    "product": "LibreChat",
    "versions": [
      {
        "version": "< 0.8.5",
        "status": "affected"
      }
    ]
  }
]

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25 Jun 2026 17:16Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.18
EPSS0.00033
4