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MEDIUM severity

SimStudioAI: A function in route.ts is vulnerable to Code InjectionGHSA-g4c9-f287-64xg

MEDIUMFix: simstudioai/sim#1149

GHSA-g4c9-f287-64xg is a medium-severity (CVSS 6.3) CWE-74 vulnerability in simstudio. The records list no fixed version yet; check the vendor advisory below and apply the mitigations in the meantime.

Also known asCVE-2025-10097
Published
Updated
Affected
1 pkg
Patched
See advisory
Exploits
None indexed
Exploitation data as of Nov 9, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

Exploitation Status

Proof-of-concept exploit code exists

  • CISA’s SSVC triage found public proof-of-concept exploit code for this CVE, though no confirmed active exploitation.

Exploitation and automatability from CISA’s SSVC triage for GHSA-g4c9-f287-64xg.

EPSS Exploitation Probability

via FIRST.org ↗
0.8%probability of exploitation in next 30 days
Lower Risk+0.03%
Lower risk than most CVEs57th percentile — riskier than 57% of all scored CVEsHighest risk
0.00%0.44%0.87%1.31%0.1%0.8%May 26Sep 26Nov 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

1 pkg affected

How broadly this vulnerability is actually deployed: weekly install volume shows current usage, and reverse-dependency count shows how many other packages break if it stays unpatched.

0other npm packages depend on this — each one inherits the vulnerability until it's patched upstream
simstudionpm
49downloads / week

Description

A vulnerability was identified in SimStudioAI sim up to 1.0.0. This impacts an unknown function of the file apps/sim/app/api/function/execute/route.ts. The manipulation of the argument code leads to code injection. The attack is possible to be carried out remotely.

Affected Packages

1 total
EcosystemPackageVulnerable rangeFix
📦npmsimstudioall versionsNo fix

Affected Products

1 product · 1 configurations
Application
simsim
1 version
1.0.0

Detection & mitigation playbook

Open-source dependency

  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for simstudio, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Remediation status

    The records we use list no patched version of simstudio for GHSA-g4c9-f287-64xg. Check the maintainer's advisory, and where your build allows, override or pin the dependency away from the vulnerable range.

  3. Mitigate without a patch

    Stop passing untrusted input into the interpreter or shell: call the affected binary with an argument array rather than a composed command string, reject anything outside a strict allowlist of expected values, and run the component under an account that cannot reach beyond the work it legitimately does.

Frequently Asked Questions

A vulnerability was identified in SimStudioAI sim. This impacts an unknown function of the file apps/sim/app/api/function/execute/route.ts. The manipulation of the argument code leads to code injection. The attack is possible to be carried out remotely.
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