WordPress WordPress Core Time-of-check Time-of-use (TOCTOU) Race Condition Vulnerability (CVE-2026-119977) is being actively exploited, CISA warns
CISA added CVE-2026-119977 (WordPress WordPress Core) to its Known Exploited Vulnerabilities catalog on November 3, 2026, which means there is reliable evidence of exploitation in the wild. 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…
CISA lists this as exploited in the wild. Unpatched WordPress and WordPress Core systems are exposed to active attacks now.
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