CVE-2026-119977
Time-of-check Time-of-use (TOCTOU) Race Condition in WordPress Core. CISA confirmed attackers exploit it and added it to its Known Exploited Vulnerabilities catalog on 3 November 2026.
- Product
- WordPress Core
- Added to CISA's catalog
- Federal fix-by date
- , in 1 day
- Ransomware
- No known use in ransomware campaigns
- Vendor advisories
- Sources
- CISA’s catalog, NVD entry
CISA’s description.
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.
More from WordPress this year.
- CVE-2026-87902 Remote File Inclusion, added
- CVE-2026-63030 Interpretation Conflict, added
- CVE-2026-60137 SQL Injection, added
Every flaw CISA confirmed exploited in the last 30 days is on the exploit watch. This is not security advice. Check the vendor’s advisory before acting. From CISA’s catalog of 4 November 2026.