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AWS Bedrock sandbox vulnerability enables data exfiltration via DNS queries

Evidence first: scan the strongest sources, then decide whether to go deeper.

Published 2026-03-17 11:12 UTCUpdated 2026-03-17 23:37 UTC
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cveexploitssecurity_toolingincident_response
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Evidence trail (top sources)
top sources (3 domains)domains are deduped. counts indicate coverage, not truth.
3 top sources shown
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Overview

Researchers from BeyondTrust's Phantom Labs have discovered a significant security issue in AWS Bedrock's sandbox mode, which is designed to isolate AI code execution.

Entities
AWSBeyondTrustAWS Bedrock AgentCore Code InterpreterRam Varadarajan
Score total
1.21
Momentum 24h
3
Posts
3
Origins
3
Source types
1
Duplicate ratio
0%
Why now
  • The issue was recently disclosed and confirmed by AWS but remains unpatched.
  • Growing reliance on AI platforms like AWS Bedrock increases the impact of such vulnerabilities.
  • Demonstrates emerging security challenges unique to agentic AI workflows and sandboxing.
Why it matters
  • The vulnerability undermines the promised isolation of AI execution environments, risking sensitive data leaks.
  • Attackers can exploit DNS queries to execute remote commands without deploying malware.
  • Highlights the need for stronger architectural controls beyond perimeter defenses in AI sandboxes.
LLM analysis
Topic mix: lowPromo risk: lowSource quality: medium
Recurring claims
  • AWS Bedrock sandbox mode allows DNS queries that can be exploited for data exfiltration and remote command execution.
How sources frame it
  • CSO Online: neutral
  • SC Media: neutral
  • The Hacker News: neutral
All evidence
All evidence
AWS Bedrock tool vulnerability allows data exfiltration via DNS leaks
SC Media · scworld.com · 2026-03-17 23:37 UTC
AI Flaws in Amazon Bedrock, LangSmith, and SGLang Enable Data Exfiltration and RCE
thehackernews · thehackernews.com · 2026-03-17 16:39 UTC
AWS Bedrock’s ‘isolated’ sandbox comes with a DNS escape hatch
CSO Online · csoonline.com · 2026-03-17 11:12 UTC
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Posts loaded: 0Publishers: 3Origin domains: 3Duplicates: -
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Top publishers (this list)
  • SC Media (1)
  • thehackernews (1)
  • CSO Online (1)
Top origin domains (this list)
  • scworld.com (1)
  • thehackernews.com (1)
  • csoonline.com (1)