CVE-2026-34040 is a high-severity (CVSS 8.8) Docker Engine authorization bypass that allows an attacker with Docker API access to silently disable AuthZ plugin enforcement by sending malformed requests, enabling privileged container operations including container escape to host. EPSS is currently low (0.014%, 2.37th percentile) and the vulnerability is not in CISA KEV, but the potential for full host compromise and the common practice of relying on AuthZ plugins as a primary control layer elevates practical risk. Priority actions include restricting Docker API access to trusted hosts, auditing for docker.sock exposure in containers, and applying the vendor patch; post-patch, validate AuthZ plugin decision logging is generating expected ALLOW/DENY entries.