# CVE-2025-3982: nortikin Sverchok Set Property Mk2 Node getsetprop_mk2.py SvSetPropNodeMK2 prototype pollution

> Remote attackers can exploit prototype pollution in the Sverchok addon to execute arbitrary code within the Blender environment.

- **Severity:** Medium 5.3 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 27 Apr 2025
- **Updated:** 28 Apr 2025
- **Also known as:** GHSA-6rf5-gh7p-5vg7

## What is CVE-2025-3982?

CVE-2025-3982 is a medium-severity code injection vulnerability in nortikin Sverchok, published on 27 Apr 2025. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

A vulnerability, which was classified as problematic, was found in nortikin Sverchok 1.3.0. Affected is the function SvSetPropNodeMK2 of the file sverchok/nodes/object_nodes/getsetprop_mk2.py of the component Set Property Mk2 Node. The manipulation leads to improperly controlled modification of object prototype attributes ('prototype pollution'). It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-94 (Improper Control of Generation of Code), CWE-1321 (Improperly Controlled Modification of Object Prototype Attributes)

## Which versions are affected by CVE-2025-3982?

It affects 1 product.


Products: Nortikin Sverchok.

## How do I fix CVE-2025-3982?

No fix has been published for CVE-2025-3982 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-3982 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-3982 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-3982 and fix it if it is affected.

What it is: CVE-2025-3982 is a medium-severity code injection vulnerability in nortikin Sverchok, published on 27 Apr 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-3982 exists.

Affected product: nortikin Sverchok. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2025-3982/ (Markdown: https://insights.sbomify.com/CVE-2025-3982/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-3982
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-3982
- OSV: https://osv.dev/vulnerability/CVE-2025-3982

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From sbomify Insights: https://insights.sbomify.com/CVE-2025-3982/
Summaries are generated and may contain mistakes; the official description above is the record.