CVE-2025-15099 Details
Description
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.
An authentication bypass vulnerability has been identified in Simstudioai Sim versions through 0.5.27. The issue arises in the CRON Secret Handler component, specifically within the internal authorization logic of the file 'apps/sim/lib/auth/internal.ts'. The vulnerability allows improper authentication by manipulating the 'INTERNAL_API_SECRET' argument. This flaw can be exploited remotely, with a public exploit available.
Users are advised to update to version 0.5.28 or later, where this vulnerability has been fixed.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Dec 26, 2025References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://gist.github.com/H2u8s/c533741e1b36f6245d41cace89a7f4d2#-steps-to-reproduce | CISA-ADP | ExploitThird Party Advisory |
| https://gist.github.com/H2u8s/c533741e1b36f6245d41cace89a7f4d2 | [email protected] | ExploitThird Party Advisory |
| https://gist.github.com/H2u8s/c533741e1b36f6245d41cace89a7f4d2#-steps-to-reproduce | [email protected] | ExploitThird Party Advisory |
| https://github.com/simstudioai/sim/commit/e359dc2946b12ed5e45a0ec9c95ecf91bd18502a | [email protected] | Patch |
| https://github.com/simstudioai/sim/pull/2343 | [email protected] | ExploitIssue Tracking |
| https://vuldb.com/?ctiid.338430 | [email protected] | Permissions RequiredVDB Entry |
| https://vuldb.com/?id.338430 | [email protected] | Third Party AdvisoryVDB Entry |
| https://vuldb.com/?submit.710255 | [email protected] | Third Party AdvisoryVDB Entry |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| NVD-CWE-noinfo | Insufficient Information to Classify Weakness | [email protected] |
| CWE-287 | Improper Authentication | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| sim sim | <= 0.5.27 |
CPE
Remediation
| |
Change History
6 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Apr 29, 2026 | Data Remediation | [email protected] |
| Jan 8, 2026 | Initial Analysis | [email protected] |
| Dec 26, 2025 | CVE Modified | CISA-ADP |
| Dec 26, 2025 | New CVE Received | [email protected] |