CISA Known Exploited Vulnerability
CVE-2026-119977: WordPress Core race condition (actively exploited)
WordPress WordPress Core contains a time-of-check time-of-use (TOCTOU) race condition vulnerability that could allow unauthenticated attackers to execute code on the server during the upgrade window.
CISA catalog entry
Product
WordPress Core
Vendor
WordPress
Added to KEV
2026-11-03
Remediation due
2026-11-06
Related vulnerabilities