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Advisories

LangAlpha through 2026.09.07 Cross-Tenant Sandbox Exposure via Shared Docker Bridge

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Severity
medium
Date
Affecting

  • LangAlpha <= 2026.09.07

CWE
  • CWE-653 Improper Isolation or Compartmentalization
CVSS
6.9
CVSS V4 Vector
CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:P/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N
Credit
Noy Pearl, Michael Sromin, Ophir Dror
Description
LangAlpha through 2026.09.07 contains an improper isolation vulnerability that places all tenants' sandbox containers on Docker's shared default bridge network with inter-container communication enabled. Authenticated users with code execution in their own sandbox can connect directly to other tenants' containers, bypassing require_workspace_owner checks to read files such as vault secrets from exposed servers.

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