Agent Incident RegistryAIR
v1 · updated 19 Oct 2026
Disclosed vulnerability

Amazon Q for Business: markdown hyperlink rendering enabled data exfiltration

AIR-2024-0001 AIR record · 2024-01-amazon-q-business-markdown-exfil
From the supporting source
An Indirect Prompt Injection attack can cause the LLM to return markdown tags.embracethered.com
The record
Disclosed
2024-01-18
Vendor
Amazon Web Services
Product
Amazon Q for Business
Risk domain
Privacy › Data exfiltration channels
Also touches
Human manipulation, Data and memory poisoning, Confused deputy
System type
Generative model
Who acted
Agent acted — Amazon Q rendered the exfiltration hyperlink
Attack surface
Enterprise assistant
Autonomy level
Assistant
Initial vector
Indirect prompt injection document
Impact type
Data exfiltration, Phishing
Confidence
High
Submitted by
EAI Internal
Crosswalk
OWASP Agentic Top 10 (2026)
ASI02 – Tool Misuse and Exploitation
MITRE ATLAS
AML.T0024 – Exfiltration via AI Inference API
NIST AI RMF
MAP 4.2
EU AI Act
Article 10
ISO/IEC
TR 24028; 23894
AIUC-1
A. Data & Privacy
Scope
tool misuse
Mitigation
Monitor network traffic for anomalous patterns; Restrict egress destinations.
Taxonomy
Enkrypt AI agent risk taxonomy · Black-Box Red Teaming of Agentic AI: A Taxonomy-Driven Framework for Automated Risk Discovery
Blast radius
Amazon Q for Business tenants
Capability abused
retrievalhyperlink_rendering
Defense & remediation
Recorded defense
none
Guardrail kinds
None
Guardrail outcome
Not applicable
Fix shipped
fixed and deployed worldwide 2023-12-29, about a week after reporting; URLs replaced with a placeholder
Curator notes
Johann Rehberger.
Cite as
Enkrypt AI. "Amazon Q for Business: markdown hyperlink rendering enabled data exfiltration". AIR, AIR-2024-0001. https://agentincident.vercel.app/i/AIR-2024-0001/ (accessed 2026-10-19).