CVE-2026-116800: Path Traversal (CVSS 6.2)

Description

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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CVSS v3.1 Score

6.2

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Weakness Type (CWE)

CWE-22 Path Traversal

References

Other References

https://github.com/WWBN/AVideo/commit/22e8c734ec89bb793d09dcc83f630e42d5fcaa8a https://github.com/WWBN/AVideo/releases/tag/v29.5.0 https://github.com/WWBN/AVideo/security/advisories/GHSA-r3jc-85h3-h7g2 https://www.vulncheck.com/advisories/wwbn-avideo-before-29.5.0-local-php-file-inclusion-via-accept-language-header

Frequently Asked Questions

What is CVE-2026-116800? +

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. It has a CVSS v3.1 base score of 6.2 (MEDIUM).

How severe is CVE-2026-116800? +

CVE-2026-116800 has a CVSS v3.1 score of 6.2 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

How do I check if I'm vulnerable to CVE-2026-116800? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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