TI-2026-02963 Aliases CVE-2026-3432 GHSA-vwxf-mg49-37v4

Sim Studio AI - Unauthenticated OAuth Token Theft

MEDIUM 48CWE-862Published 2026-03-02 · Updated 2026-03-02

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Attack requirements: None
Impact type: Security bypass
Confidentiality · integrity · availability: High · High · None
Fix status: Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-862.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00342 27th percentileScored 2026-11-07

Fix Fixed sim (SimStudioAI): 0.5.74

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: Yes
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
SimStudioAI	sim	before 0.5.74	0.5.74	Patch available	CNA

sim VendorSimStudioAI Affected before 0.5.74 Fixed in 0.5.74 Patch available CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:sim:sim::::::::	before 0.5.74	Vulnerable	SimStudioAI

cpe:2.3:a:sim:sim:*:*:*:*:*:*:*:* Versions before 0.5.74 Vulnerable ·SimStudioAI

Remediation

Fix · CNA sim (SimStudioAI) Fixed in 0.5.74

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

Release · 2026-03-02
SimStudioAI sim 0.5.74
2 records Highest priority Priority MEDIUM 2 MEDIUM
Other records, highest priority first
- TI-2026-02962 Sim Studio AI - MongoDB SSRF and Arbitrary Document DeletionPriority MEDIUM 49
Show all 2 records →

Timeline

2026-10-02 Threatist record created from CVE-2026-3432
2026-10-03 Alias added: GHSA-vwxf-mg49-37v4

References

Advisory 1

https://www.tenable.com/security/research/tra-2026-13

TI-2025-13777 simstudioai sim CRON Secret internal.ts improper authentication CVSS 4.0MEDIUM 6.9
TI-2025-06476 SimStudioAI sim Session route.ts POST missing authentication CVSS 4.0MEDIUM 6.9
TI-2025-06469 SimStudioAI sim route.ts handleLocalFile path traversal CVSS 4.0MEDIUM 6.9
TI-2025-09270 SimStudioAI sim route.ts code injection CVSS 4.0MEDIUM 5.3
TI-2025-09269 SimStudioAI sim route.ts server-side request forgery CVSS 4.0MEDIUM 5.3
TI-2025-08994 SimStudioAI sim route.ts server-side request forgery CVSS 4.0MEDIUM 5.3

See all 9 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences