Vulnerability DatabaseCVE-2026-108756
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CVE-2026-108756
Published:October 11, 2026
Updated:October 13, 2026
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.
Related Resources (7)
https://github.com/Abilityai/trinity/blob/e38c1c0f2567c602541c90c4c92152e99e6ead11/src/backend/routers/telegram.py#L258-L323
https://nvd.nist.gov/vuln/detail/CVE-2026-108756
https://github.com/Abilityai/trinity/blob/e38c1c0f2567c602541c90c4c92152e99e6ead11/src/backend/routers/telegram.py#L168-L219
https://www.vulncheck.com/advisories/abilityai-trinity-through-0.9.5-missing-authorization-in-telegram-binding-routes
https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/108xxx/CVE-2026-108756.json
https://hackmd.io/@haind/rJ2OBa8sfl
https://github.com/Abilityai/trinity
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CVSS v4
Base Score:
5.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
LOW
Vulnerable System Availability
LOW
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
5.4
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
LOW
Weakness Type (CWE)
Missing Authorization
CWE-862
EPSS
Base Score:
0.22