September 25, 2026 · Cloudflare
WAF - WAF Release - 2026-09-25 - Emergency
This update provides immediate defense against critical vulnerabilities affecting WordPress and JFrog Artifactory, including path traversal, local file inclusion (LFI), cross-site scripting (XSS), and authentication bypass exploits.
Key Findings
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CVE-2026-87902: A high-severity Path Traversal and Local File Inclusion (LFI) vulnerability affecting WordPress. Unauthenticated attackers can exploit this flaw to read arbitrary files on the host server, potentially exposing sensitive configuration data or system files.
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CVE-2026-42018 & CVE-2026-82329: Critical authentication bypass vulnerabilities affecting JFrog Artifactory. Successful exploitation allows unauthenticated attackers to bypass security controls and achieve unauthorized access to the Artifactory instance.
Impact
We strongly recommend that administrators apply the latest vendor patches for WordPress and JFrog Artifactory to fully secure origin servers.
Detailed Rule Changes
RulesetRule IDLegacy Rule IDDescriptionPrevious ActionNew ActionCommentsCloudflare Managed Ruleset...70a43f96N/AWordpress - Path Traversal, Local File Inclusion - CVE:CVE-2026-87902N/ABlockThis is a new detection.Cloudflare Managed Ruleset...909a4db4N/AWordpress - XSS - CommentN/ABlockThis is a new detection.Cloudflare Managed Ruleset...c797ef03N/AJFrog Artifactory - Authentication Bypass - CVE:CVE-2026-42018N/ABlockThis is a new detection.Cloudflare Managed Ruleset...a813ac74N/AJFrog Artifactory - Authentication Bypass - CVE:CVE-2026-82329N/ABlockThis is a new detection.