CVE-2026-27384

Critical

Description

Improper Validation of Specified Quantity in Input vulnerability in BoldGrid W3 Total Cache w3-total-cache allows Accessing Functionality Not Properly Constrained by ACLs.This issue affects W3 Total Cache: from n/a through <= 2.9.1.

SeverityCritical
CVSS9.0
Exploit probability—
ProductW3 Total Cache
PublishedMar 5, 2026
First seenMar 5, 2026
Weakness typeCWE-1284CWE-1284

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
BoldGrid W3 Total Cachev ≤ 2.9.1—

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