CVE-2026-103091
Google OSS Agent Mesh Unauthenticated Mesh Self-Enrollment and Tool Invocation
Halo Surface Signal: 4 out of 5 — likely to be public-facing.
Google OSS Agent Mesh contains vulnerabilities in its MCP proxy and OIDC registration that permit unauthenticated remote attackers to self-enroll and execute arbitrary commands on connected backend nodes, granting full control over services. This could lead to unauthorized access and execution of sensitive backend oper