# CVE-2026-4476: Yi Technology YI Home Camera CGI Endpoint ipc missing authentication

> Attackers on the local network can access the camera's CGI endpoint without authentication due to missing authorization checks.

- **Severity:** Medium 5.3 (`CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 20 Mar 2026
- **Updated:** 20 Mar 2026
- **Also known as:** GHSA-qrw2-p44v-4f43

## What is CVE-2026-4476?

CVE-2026-4476 is a medium-severity missing authorization vulnerability in YI Home Camera, published on 20 Mar 2026. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

A vulnerability was found in Yi Technology YI Home Camera 2 2.1.1_20171024151200. The impacted element is an unknown function of the file home/web/ipc of the component CGI Endpoint. Performing a manipulation results in missing authentication. Access to the local network is required for this attack. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-306 (Missing Authentication for Critical Functionality), CWE-287 (Improper Authentication)

## Which versions are affected by CVE-2026-4476?


## How do I fix CVE-2026-4476?

No fix has been published for CVE-2026-4476 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-4476 being exploited?

There is no known exploitation of CVE-2026-4476 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-4476 and fix it if it is affected.

What it is: CVE-2026-4476 is a medium-severity missing authorization vulnerability in YI Home Camera, published on 20 Mar 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-4476 in the wild and no public exploit code.

Affected product: YI Home Camera. 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-2026-4476/ (Markdown: https://insights.sbomify.com/CVE-2026-4476/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-4476
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-4476
- OSV: https://osv.dev/vulnerability/CVE-2026-4476

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-4476/
Summaries are generated and may contain mistakes; the official description above is the record.