CVE-2026-3432

CRITICAL

9.1

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.

CVE Details

CVSS v3.1 Score9.1

SeverityCRITICAL

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published3/2/2026

Last Modified3/6/2026

Sourcenvd

Honeypot Sightings0

Affected Products

sim:sim

Weaknesses (CWE)

CWE-862

References

https://www.tenable.com/security/research/tra-2026-13(vulnreport@tenable.com)

IOC Correlations

No correlations recorded

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