# CVE-2026-88876: AVideo PlayerSkins seo.php Missing Authorization Password-Protected VOD

> Unauthenticated attackers can bypass password protection to access and download protected video content via the seo.php endpoint.

- **Severity:** High 8.7 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/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:** 10 Sep 2026
- **Updated:** 15 Sep 2026
- **Also known as:** GHSA-86jv-34hw-c5j7, GHSA-wq9m-cfw6-4gh5

## What is CVE-2026-88876?

CVE-2026-88876 is a high-severity missing authorization vulnerability in WWBN AVideo, published on 10 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

AVideo through revision c3edcc274c389816d434acadac07ee78eaf330c1 contains a missing authorization vulnerability in plugin/PlayerSkins/seo.php that allows unauthenticated attackers to access password-protected video sources by calling getSources() without password validation. Attackers can request the seo.php endpoint with a video ID to obtain the direct MP4 URL and read protected media bytes without supplying the configured password.

Weakness: CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor)

## Which versions are affected by CVE-2026-88876?


## How do I fix CVE-2026-88876?

No fix has been published for CVE-2026-88876 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-88876 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-88876 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-88876 and fix it if it is affected.

What it is: CVE-2026-88876 is a high-severity missing authorization vulnerability in WWBN AVideo, published on 10 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-88876 exists.

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-2026-88876/ (Markdown: https://insights.sbomify.com/CVE-2026-88876/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-88876
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-88876
- OSV: https://osv.dev/vulnerability/CVE-2026-88876

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-88876/
Summaries are generated and may contain mistakes; the official description above is the record.