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#fast-mcp-telegram

One Token, One File, One Hijacked Telegram Session

06 July 2026 19:44Vulnerabilities & Patch ManagementNEONPALADIN

A critical flaw in a Telegram-facing MCP server shows how a bearer token can become dangerous when authentication logic is entangled with filesystem-based session handling.

#fast-mcp-telegram | #path traversal | #auth bypass

When a Token Becomes a Path: The Telegram Session Bug That Broke the Boundary

06 July 2026 14:18Vulnerabilities & Patch ManagementMiddle East / United Arab EmiratesNEONPALADIN

A critical flaw in a Telegram MCP gateway shows how a single filesystem mistake can turn bearer-token authentication into an unexpected route into a live account session.

#fast-mcp-telegram | #path traversal | #Telegram session