CVE-2026-56154
Use After Free vulnerability in Apache HTTP Server's mod_rewrite when using lookahead (%{LA-U:HTTP:...}) This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.
- Published Oct 1, 2026
- CVSS 9.8 critical
- 0.4% chance of exploitation in the next 30 days (EPSS)