AI Agent Threat Matrix
Matrix/Privilege Escalation/T-4004
T-4004validated

Delegation Abuse

Abuse agent delegation mechanisms to escalate privileges through trusted agent chains

Tactic

Privilege Escalation (Stage 4)

Escalate capabilities beyond declared scope or bypass authorization

Attack Class

AGENT-IMPERSONATE

Impersonating trusted agents or administrative roles to gain unauthorized access

Evidence

validated

Reproduced in controlled lab environment (DVAA) with documented steps.

DVAA Validation

delegation-privilege-escalation

Detection (HackMyAgent)

AUTH-001AUTH-002AUTH-003AUTH-004
npx hackmyagent secure --ci

Defense (OASB Controls)

OASB 2.1OASB 2.2OASB 2.3OASB 2.4OASB 2.5

How to Cite

AI Agent Threat Matrix T-4004 (Delegation Abuse). OpenA2A, 2026. https://threats.opena2a.org/techniques/T-4004
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