# CVE-2026-42370: GeoVision GV-VMS V20 WebCam Server Login stack overflow vulnerability

> An unauthenticated attacker can execute arbitrary code via a crafted HTTP request to the WebCam Server Login functionality.

- **Severity:** Critical 9.0 (`CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 4 May 2026
- **Updated:** 15 Jun 2026
- **Also known as:** GHSA-93mj-8jh7-m3mh

## What is CVE-2026-42370?

CVE-2026-42370 is a critical memory corruption vulnerability in GeoVision Inc. GV-VMS V20.0.2, published on 4 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

A stack overflow vulnerability exists in the WebCam Server Login functionality of GeoVision GV-VMS V20 20.0.2. A specially crafted HTTP request can lead to an arbitrary code execution. An attacker can make an unauthenticated HTTP request to trigger this vulnerability.

Weakness: CWE-787 (Out-of-bounds Write)

## Which versions are affected by CVE-2026-42370?

It affects 1 product.


Products: Geovision Gv-Vms Firmware.

## How do I fix CVE-2026-42370?

No fix has been published for CVE-2026-42370 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-42370 being exploited?

There is no known exploitation of CVE-2026-42370 in the wild and no public exploit code.

## Other vulnerabilities in GeoVision Inc. GV-VMS V20.0.2

- [CVE-2026-7372](https://insights.sbomify.com/CVE-2026-7372/): GeoVision GV-VMS V20 WebCam Server Login stack overflow vulnerability (critical 9.0)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-42370 and fix it if it is affected.

What it is: CVE-2026-42370 is a critical memory corruption vulnerability in GeoVision Inc. GV-VMS V20.0.2, published on 4 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-42370 in the wild and no public exploit code.

Affected product: GeoVision Inc. GV-VMS V20.0.2. 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-2026-42370/ (Markdown: https://insights.sbomify.com/CVE-2026-42370/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-42370
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-42370
- OSV: https://osv.dev/vulnerability/CVE-2026-42370

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-42370/
Summaries are generated and may contain mistakes; the official description above is the record.