On SimStudio version below to 0.5.74, the MongoDB tool endpoints accept arbitrary connection parameters from the caller without authentication or host restrictions.
CVSS 3.1CRITICAL 9.8·Network·No auth·No interaction·EPSS 0.00401·Published 2026-03-02·Fixed in 0.5.74CWE-862
On SimStudio version below to 0.5.74, the `/api/auth/oauth/token` endpoint contains a code path that bypasses all authorization checks when provided with `credentialAccountUserId` and `providerId` parameters.
CVSS 4.0CRITICAL 9.3·Network·No auth·No interaction·EPSS 0.00342·Published 2026-03-02·Fixed in 0.5.74CWE-862
Sim before 0.8.14 classifies tool requests as internal based on URL prefix matching without scheme normalization, skipping SSRF validation and minting internal authentication tokens.
CVSS 4.0MEDIUM 5.3·Network·Low privileges·No interaction·EPSS 0.005·Published 2026-09-05·Fixed in 0.8.14CWE-441