CVE-2026-108756 PUBLISHED

Abilityai Trinity through 0.9.5 contains a missing authorization vulnerability in the Telegram router that allows agent-scoped MCP API keys to perform human-only binding operations. Attackers controlling an agent, typically via prompt injection, can send messages through the owner's bot token, replace the binding with their own token, or delete it.

• HaiND from the Post and Telecommunication Institute of Technology finder

• https://hackmd.io/@haind/rJ2OBa8sfl
• https://github.com/Abilityai/trinity/blob/e38c1c0f2567c602541c90c4c92152e99e6ead11/src/backend/routers/telegram.py#L168-L219
• https://github.com/Abilityai/trinity/blob/e38c1c0f2567c602541c90c4c92152e99e6ead11/src/backend/routers/telegram.py#L258-L323
• https://github.com/Abilityai/trinity
• VulnCheck Advisory: Abilityai Trinity through 0.9.5 Missing Authorization in Telegram Binding Routes

• Missing Authorization CWE