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CVE-2025-15099

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Date: December 25, 2025

A vulnerability was identified in simstudioai sim up to 0.5.27. This vulnerability affects unknown code of the file apps/sim/lib/auth/internal.ts of the component CRON Secret Handler. The manipulation of the argument INTERNAL_API_SECRET leads to improper authentication. It is possible to initiate the attack remotely. The exploit is publicly available and might be used. The identifier of the patch is e359dc2946b12ed5e45a0ec9c95ecf91bd18502a. Applying a patch is the recommended action to fix this issue.

Severity Score

Related Resources (9)

https://vuldb.com/?submit.710255
https://gist.github.com/H2u8s/c533741e1b36f6245d41cace89a7f4d2#-steps-to-reproduce
https://github.com/simstudioai/sim/commit/e359dc2946b12ed5e45a0ec9c95ecf91bd18502a
https://nvd.nist.gov/vuln/detail/CVE-2025-15099
https://vuldb.com/?ctiid.338430
https://github.com/simstudioai/sim/pull/2343
https://vuldb.com/?id.338430
https://gist.github.com/H2u8s/c533741e1b36f6245d41cace89a7f4d2
https://www.mend.io/vulnerability-database/CVE-2025-15099

Severity Score

Weakness Type (CWE)

Improper Authentication

CWE-287

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): LOW

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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