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CVE-2026-45019

🗓️ 25 Aug 2026 19:20:59Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 27 Views🌐 WEB

Unauthenticated SSRF in Chainlit 2.4.0rc0-2.12.0 via MCP endpoint enables blind internal requests.

Related
Detection
Affected
Refs
Paths
Vulners
Node
chainlitchainlitRange2.4.0rc02.12.0
[
  {
    "vendor": "Chainlit",
    "product": "chainlit",
    "versions": [
      {
        "version": ">= 2.4.0rc0, < 2.12.0",
        "status": "affected"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
urlpath/mcpAuthenticated Chainlit deployments with features.mcp.enabled=true expose the POST /mcp endpoint which can be abused to cause the server to perform blind outbound requests to attacker-controlled URLs with attacker-controlled headers.CWE-918
headerspath/mcpAuthenticated Chainlit deployments with features.mcp.enabled=true expose the POST /mcp endpoint which can be abused to cause the server to perform blind outbound requests to attacker-controlled URLs with attacker-controlled headers.CWE-918

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09 Sep 2026 21:07Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.17.2
EPSS0.00319
SSVC
27