CVE-2026-68006

Critical severity, CVSS 9.1. EPSS: 0.5% chance of exploitation in the next 30 days.

An issue in Puma v.5.0.0 and before v.8.0.3 allows an attacker to execute arbitrary code via the ext/puma_http11/http11_parser.rl file

Published 2026-09-10. Last modified 2026-09-14.