CVE-2026-126545: Auth Bypass (CVSS 4.3)

Description

WWBN AVideo through 29.7.1 contains a missing authorization vulnerability in API::get_api_tags() in plugin/API/API.php that allows registered users to access restricted video data by querying the tags API. Attackers can subscribe to a tag and query APIName=tags to obtain filenames, titles and stored video_password values of unlisted, group-restricted and password-protected videos, enabling unauthorized viewing.

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CVSS v3.1 Score

4.3

MEDIUM

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

EPSS — Exploit Prediction

0.0026

Probability of exploitation

0.18%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-862 Missing Authorization

References

Other References

https://github.com/WWBN/AVideo/blob/v29.7.1/plugin/API/API.php#L958-L976 https://github.com/WWBN/AVideo/blob/v29.7.1/plugin/VideoTags/Objects/TagsHasVideos.php#L172-L180 https://github.com/WWBN/AVideo/commit/a8d1e0e484d655556422841d08b2b0fb64332721 https://github.com/WWBN/AVideo/security/advisories/GHSA-3w98-8958-84rh https://www.vulncheck.com/advisories/wwbn-avideo-through-29.7.1-missing-authorization-via-get-api-tags-api https://github.com/WWBN/AVideo/security/advisories/GHSA-3w98-8958-84rh

Frequently Asked Questions

What is CVE-2026-126545? +

WWBN AVideo through 29.7.1 contains a missing authorization vulnerability in API::get_api_tags() in plugin/API/API.php that allows registered users to access restricted video data by querying the tags API. Attackers can subscribe to a tag and query APIName=tags to obtain filenames, titles and stored video_password values of unlisted, group-restricted and password-protected videos, enabling unauthorized viewing. It has a CVSS v3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2026-126545? +

CVE-2026-126545 has a CVSS v3.1 score of 4.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0026, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-126545? +

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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