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CVE PROGRAM SOURCE RECORD9.3 Critical

CVE-2026-3432

Sim Studio AI - Unauthenticated OAuth Token Theft

Description

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. An unauthenticated attacker can retrieve OAuth access tokens for any user by supplying their user ID and a provider name, effectively stealing credentials to third-party services.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

SimStudioAI sim

Default version status: unaffected

  • 0 to < 0.5.74affected

References