Critical Security Flaws in Node.js 22 Affecting openSUSE and SUSE Systems

• •Multiple critical vulnerabilities in Node.js 22 require immediate patching.
• •CVE-2026-21716 allows unauthorized file permission modifications.
• •Resource exhaustion and performance degradation are significant risks.

A significant security update for Node.js 22 has been released, addressing multiple vulnerabilities affecting openSUSE Leap 15.6 and SUSE Linux Enterprise Server 15 SP6. The update includes fixes for CVE-2026-21717, which allows for performance degradation through predictable hash collisions, and CVE-2026-21716, which permits unauthorized modifications to file permissions due to an incomplete fix from a previous vulnerability. Other critical issues include CVE-2026-21715, allowing file existence disclosure, and CVE-2026-21714, which can lead to resource exhaustion via memory leaks in the HTTP/2 server. These vulnerabilities were all published on March 30, 2026, and pose significant risks to systems using Node.js 22. Users are advised to apply the updates immediately to mitigate potential exploitation. The advisory emphasizes the importance of patching to prevent performance impacts and unauthorized access.