Agent Incident RegistryAIR
v1 · updated 19 Oct 2026
Disclosed vulnerability

Hacking Gemini's memory with prompt injection and delayed tool invocation

AIR-2025-0007 AIR record · 2025-02-google-gemini-memory-persistence
From the supporting source
Delayed Tool Invocation just means that the attacker 'pollutes' the chat context with instructions and a trigger action.embracethered.com
The record
Disclosed
2025-02-10
Vendor
Google
Product
Google Gemini (Advanced)
Risk domain
Reliability and observability › Data and memory poisoning
Also touches
Confused deputy
System type
Generative model
Who acted
Agent acted — Gemini wrote the poisoned memory and invoked tools later
Attack surface
Consumer assistant
Autonomy level
Assistant
Initial vector
Indirect prompt injection document
Impact type
Persistent memory poisoning, Integrity violation
Confidence
High
Submitted by
EAI Internal
Crosswalk
OWASP Agentic Top 10 (2026)
ASI06 – Memory & Context Poisoning
MITRE ATLAS
AML.T0020 – Poison Training Data
NIST AI RMF
MEASURE 3.1
EU AI Act
Article 15
ISO/IEC
TR 24028; 24029-1; 23894
AIUC-1
D. Reliability
Scope
agent failure
Mitigation
Monitor model performance; Implement feedback diversity and circuit breakers.
Taxonomy
Enkrypt AI agent risk taxonomy · Black-Box Red Teaming of Agentic AI: A Taxonomy-Driven Framework for Automated Risk Discovery
Blast radius
Gemini Advanced users with saved-info memory
Capability abused
memory_writedelayed_tool_invocation
Defense & remediation
Recorded defense
Gemini mitigation limiting tool invocation to the same turn as untrusted data
Guardrail kinds
Permission scope
Guardrail outcome
Silent
Fix shipped
not fixed at publication; Google assessed it as abuse-related with low likelihood and low impact. Reported December 2024
Taxonomy & references
OWASP ASI01 Agent Goal HijackOWASP ASI06 Memory & Context Poisoningmemory_poisoningdelayed_tool_invocationcontext_pollution
Curator notes
Delayed tool invocation is Rehberger's general bypass for same-turn tool-call mitigations.
Cite as
Enkrypt AI. "Hacking Gemini's memory with prompt injection and delayed tool invocation". AIR, AIR-2025-0007. https://agentincident.vercel.app/i/AIR-2025-0007/ (accessed 2026-10-19).