CVE-2026-90545
4.3 · MEDIUMWWBN AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 fails to validate video access permissions in the commentAddNew.json.php endpoint, allowing authenticated users to post comments…
Overview
CVE-2026-90545 is a medium-severity vulnerability. It was published on September 12, 2026 and has a CVSS 3.1 base score of 4.3 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical description
WWBN AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 fails to validate video access permissions in the commentAddNew.json.php endpoint, allowing authenticated users to post comments on password-protected and group-restricted videos. Attackers can submit POST requests with a valid session to add comments to videos they cannot watch, bypassing password and group access controls.
Remediation
Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
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Frequently asked questions
What is CVE-2026-90545?
CVE-2026-90545 is a medium-severity vulnerability. It was published on September 12, 2026 and has a CVSS 3.1 base score of 4.3 (MEDIUM).
How severe is CVE-2026-90545?
This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2026-90545?
Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2026-90545?
CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-90545 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.
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