CVE-2026-86718: CSRF (CVSS 7.1)

Description

WWBN AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 contains a cross-site request forgery vulnerability in deleteHistory.json.php and finishAll.json.php that allows unauthenticated attackers to mutate live history by making GET requests without CSRF token validation. Attackers can craft malicious pages that trigger administrator browsers to delete all live transmission history or mark streams as finished when an admin visits the attacker-controlled site.

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CVSS v3.1 Score

7.1

HIGH

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

EPSS — Exploit Prediction

0.0018

Probability of exploitation

0.07%

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-352 Cross-Site Request Forgery

References

Other References

https://github.com/WWBN/AVideo/security/advisories/GHSA-gmx5-mhqr-h7rj https://www.vulncheck.com/advisories/wwbn-avideo-cross-site-request-forgery-via-deletehistory-json-php https://github.com/WWBN/AVideo/security/advisories/GHSA-gmx5-mhqr-h7rj

Frequently Asked Questions

What is CVE-2026-86718? +

WWBN AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 contains a cross-site request forgery vulnerability in deleteHistory.json.php and finishAll.json.php that allows unauthenticated attackers to mutate live history by making GET requests without CSRF token validation. Attackers can craft malicious pages that trigger administrator browsers to delete all live transmission history or mark streams as finished when an admin visits the attacker-controlled site. It has a CVSS v3.1 base score of 7.1 (HIGH).

How severe is CVE-2026-86718? +

CVE-2026-86718 has a CVSS v3.1 score of 7.1 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0018, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-86718? +

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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