Docker CVE-2026-34040 Lets Attackers Bypass Authorization and Gain Host Access
Summary
A high-severity security vulnerability, CVE-2026-34040, has been discovered in Docker Engine. This flaw allows attackers to bypass authorization plugins and gain access to the host system under certain conditions. It is a result of an incomplete fix for a previous critical vulnerability, CVE-2024-41110.
IFF Assessment
FOE
This vulnerability poses a significant risk to defenders as it allows attackers to bypass security controls and gain unauthorized access to host systems.
Severity
9.9
Critical
Defender Context
Defenders should prioritize patching Docker Engine instances to mitigate CVE-2026-34040. This vulnerability highlights the importance of thoroughly addressing prior security flaws and the potential for chained exploits.