---
id: CVE-2026-108756
title: >-
  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
summary: >-
  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 in…
severity: medium
cvss: 5.4
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L'
cwe:
  - CWE-862
published: '2026-10-11'
updated: '2026-10-11'
sourceUpdated: '2026-10-11T13:17:20.680'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-108756'
references:
  - url: 'https://github.com/Abilityai/trinity'
    label: disclosure@vulncheck.com
  - url: >-
      https://github.com/Abilityai/trinity/blob/e38c1c0f2567c602541c90c4c92152e99e6ead11/src/backend/routers/telegram.py#L168-L219
    label: disclosure@vulncheck.com
  - url: >-
      https://github.com/Abilityai/trinity/blob/e38c1c0f2567c602541c90c4c92152e99e6ead11/src/backend/routers/telegram.py#L258-L323
    label: disclosure@vulncheck.com
  - url: 'https://hackmd.io/@haind/rJ2OBa8sfl'
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/abilityai-trinity-through-0.9.5-missing-authorization-in-telegram-binding-routes
    label: disclosure@vulncheck.com
tags:
  - nvd
ingestedAt: '2026-10-11T13:51:17.040Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.