CVE-2026-3432

CriticalCVSS 9.1/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 9.1/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Mar 2, 2026
Last modified
Jun 17, 2026
NVD status
Analyzed

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CVE-2026-3432: Critical severity, CVSS 9.1 | Vulnix