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AI SecurityMar 17, 2026

AI Flaws in Amazon Bedrock, LangSmith, and SGLang Enable Data Exfiltration and RCE

Security researchers disclosed critical flaws in Amazon Bedrock, LangSmith, and SGLang that enable data exfiltration and remote code execution through DNS tunneling, token theft, and unsafe deserialization. Amazon Bedrock's sandbox mode allows outbound DNS queries despite network isolation claims (CVSS 7.5), LangSmith suffers from URL parameter injection enabling account takeover (CVE-2026-25750, CVSS 8.5), and SGLang contains unauthenticated RCE vulnerabilities via unsafe pickle deserialization (CVE-2026-3059/3060, CVSS 9.8). Organizations are urged to migrate to VPC mode, implement DNS firewalls, audit IAM permissions, and patch immediately.

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Extracted by AI from the linked source. Not reviewed by an editor. How this works

  • cve — CVE-2026-25750
  • cve — CVE-2026-3059
  • cve — CVE-2026-3060
  • malware — DNS tunneling C2 channel
  • domain — smith.langchain[.]com