# CVE-2026-90551: WWBN AVideo Missing Authorization via video_from_program API

> Unauthenticated attackers can access private playlist details and video titles via the video_from_program API due to missing ownership validation.

- **Severity:** Medium 6.9 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 12 Sep 2026
- **Updated:** 21 Sep 2026
- **Also known as:** GHSA-7h47-x3h5-c8xq, GHSA-8pvp-rm39-945p

## What is CVE-2026-90551?

CVE-2026-90551 is a medium-severity missing authorization vulnerability in WWBN AVideo, published on 12 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

WWBN AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 fails to validate playlist ownership in the video_from_program API endpoint, allowing unauthenticated access to private playlist contents. Attackers can query the API without authentication to enumerate private playlist names, owner information, and video titles including password-protected content.

Weakness: CWE-862 (Missing Authorization)

## Which versions are affected by CVE-2026-90551?


## How do I fix CVE-2026-90551?

No fix has been published for CVE-2026-90551 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-90551 being exploited?

There is no known exploitation of CVE-2026-90551 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-90551 and fix it if it is affected.

What it is: CVE-2026-90551 is a medium-severity missing authorization vulnerability in WWBN AVideo, published on 12 Sep 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-2026-90551 in the wild and no public exploit code.

Affected product: WWBN AVideo. 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-2026-90551/ (Markdown: https://insights.sbomify.com/CVE-2026-90551/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-90551
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-90551
- OSV: https://osv.dev/vulnerability/CVE-2026-90551

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-90551/
Summaries are generated and may contain mistakes; the official description above is the record.