CVE-2025-9800: sim Access Control Flaw

Description

A weakness has been identified in SimStudioAI sim up to ed9b9ad83f1a7c61f4392787fb51837d34eeb0af. Affected by this issue is the function Import of the file apps/sim/app/api/files/upload/route.ts of the component HTML File Parser. Executing manipulation of the argument File can lead to unrestricted upload. The attack may be launched remotely. The exploit has been made available to the public and could be exploited. This product operates on a rolling release basis, ensuring continuous delivery. Consequently, there are no version details for either affected or updated releases. This patch is called 45372aece5e05e04b417442417416a52e90ba174. A patch should be applied to remediate this issue.

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CVSS v3.1 Score

6.3

MEDIUM

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

Weakness Type (CWE)

CWE-284 CWE-284

CWE-434 Unrestricted Upload

Affected Products

Vendor	Product	Versions
sim	sim	< 0.3.40

References

Advisories & Patches

https://github.com/simstudioai/sim/commit/45372aece5e05e04b417442417416a52e90ba174 https://github.com/simstudioai/sim/issues/958 https://github.com/simstudioai/sim/issues/958#issue-3320696271 https://github.com/simstudioai/sim/issues/958#issuecomment-3221311734

Exploits

https://github.com/simstudioai/sim/issues/958 https://github.com/simstudioai/sim/issues/958#issue-3320696271

Other References

https://vuldb.com/?ctiid.322115 https://vuldb.com/?id.322115 https://vuldb.com/?submit.641129

Frequently Asked Questions

What is CVE-2025-9800? +

A weakness has been identified in SimStudioAI sim up to ed9b9ad83f1a7c61f4392787fb51837d34eeb0af. Affected by this issue is the function Import of the file apps/sim/app/api/files/upload/route.ts of the component HTML File Parser. Executing manipulation of the argument File can lead to unrestricted upload. The attack may be launched remotely. The exploit has been made available to the public and could be exploited. This product operates on a rolling release basis, ensuring continuous delivery. Consequently, there are no version details for either affected or updated releases. This patch is called 45372aece5e05e04b417442417416a52e90ba174. A patch should be applied to remediate this issue. It has a CVSS v3.1 base score of 6.3 (MEDIUM).

How severe is CVE-2025-9800? +

CVE-2025-9800 has a CVSS v3.1 score of 6.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-9800? +

CVE-2025-9800 affects products from sim, specifically: sim. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-9800? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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