---
id: "CVE-2026-116800"
kind: "vulnerability"
aliases: ["CVE-2026-116800"]
title: "WWBN AVideo: crafted Accept-Language header includes server PHP files"
severity: "medium"
cvss: 6.9
epss: null
exploited: false
status: "open"
category: "package"
products: []
ecosystems: []
tags: ["avideo", "package", "php", "self-hosted", "video-platform"]
not_affected_if: ["not-avideo", "patched-29.5.0-or-later"]
published_at: "2026-10-27T00:17:11+00:00"
first_seen_at: "2026-10-27T00:25:55+00:00"
updated_at: "2026-10-27T00:26:32+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-116800", "first_seen_at": "2026-10-27T00:25:55+00:00"}]
---

# WWBN AVideo: crafted Accept-Language header includes server PHP files

WWBN AVideo before 29.5.0 has a local file inclusion flaw in setLanguage(): a crafted Accept-Language header with overlapping traversal sequences such as ....// bypasses the single-pass path filter. An unauthenticated attacker can make the application include and execute existing PHP files on the server.

_Summary, check and fix written by a model from the sources; labelled as such._

## How to check

- Check the installed AVideo version in the application's version file or admin panel; versions below `29.5.0` are exposed.
- Confirm whether the deployment is internet-reachable, since the attack needs only an HTTP request with a crafted Accept-Language header.

## Fix

- Upgrade AVideo to `29.5.0` or later.
- Unknown whether a configuration workaround exists; the sources do not say.

## Timeline

- 2026-10-27T00:25:55+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-116800

## From the sources

WWBN AVideo before 29.5.0 contains a local file inclusion vulnerability that allows unauthenticated attackers to include PHP files outside the locale directory via a crafted Accept-Language header. Attackers can use overlapping traversal sequences like ....// to bypass single-pass removal in setLanguage(), executing existing server-side PHP files in the application context.

---

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