Threats Tagged 'cve-2026-31951'
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Threats Tagged 'cve-2026-31951'
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0 LibreChat is a ChatGPT clone with additional features. In versions 0.8.2-rc1 through 0.8.3-rc1, user-created MCP (Model Context Protocol) servers can include arbitrary HTTP headers that undergo credential placeholder substitution. An attacker can create a malicious MCP server with headers containing `{{LIBRECHAT_OPENID_ACCESS_TOKEN}}` (and others), causing victims who call tools on that server to have their OAuth tokens exfiltrated. Version 0.8.3-rc2 fixes the issue. Join the discussion | CVE Database V5 | 03/27/2026, 19:29:25 UTC Added: 03/27/2026, 19:44:55 UTC |
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