CVE-2026-119977
WordPress WordPress Core Time-of-check Time-of-use (TOCTOU) Race Condition Vulnerability
WordPress · WordPress Core
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. This is due to predictable, web-accessible staging paths used during full-package core upgrades.