# CVE-2026-90548: WWBN AVideo Missing Authorization in ImageGallery list.json.php

> Unauthenticated attackers can access password-protected image gallery files by bypassing authorization checks in the list.json.php endpoint.

- **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:** 14 Sep 2026
- **Also known as:** GHSA-jcfh-7f2p-jv93, GHSA-vr35-39vf-9qp9

## What is CVE-2026-90548?

CVE-2026-90548 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 user permissions in the ImageGallery list.json.php endpoint, allowing unauthenticated access to list gallery files. Attackers can retrieve filenames and URLs of password-protected image galleries by directly accessing the endpoint, then fetch the exposed files without authentication.

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

## Which versions are affected by CVE-2026-90548?


## How do I fix CVE-2026-90548?

No fix has been published for CVE-2026-90548 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-90548 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-90548 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-90548 and fix it if it is affected.

What it is: CVE-2026-90548 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: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-90548 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-2026-90548/ (Markdown: https://insights.sbomify.com/CVE-2026-90548/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-90548
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-90548
- OSV: https://osv.dev/vulnerability/CVE-2026-90548

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-90548/
Summaries are generated and may contain mistakes; the official description above is the record.