Frequency
3
occurrences
First Seen
August 22, 2026
Last Seen
August 22, 2026
Related Threat Clusters
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CVE-2026-54156: Unbounded Nonce Cache in node-opcua Causes DoS Vulnerability
A critical vulnerability (CVE-2026-54156) has been identified in the node-opcua server, allowing unauthenticated remote attackers to exhaust server heap memory by exploiting an unbounded nonce cache. This issue affects…
3 articles · Updated August 22, 2026
Recent Intelligence Reports
- node-opcua (fixed: 2.168.0) (npm) — node-opcua: Unbounded nonce cache enables unauthenticated heap exhaustion DoS OSV Advisories — npm / 1d Summary A process-global nonce cache with no eviction policy allows an unauthenticated remote attacker to exhaust server heap memory by repeatedly opening sessions, causing the node-opcua server process to crash. node-opcua: Unbounded nonce cache enables unauthenticated heap exhaustion DoS — osv.dev · August 22, 2026
- node-opcua: Unbounded nonce cache enables unauthenticated heap exhaustion DoS Home on GitLab Advisory Database (GLAD) / 1d Summary A process-global nonce cache with no eviction policy allows an unauthenticated remote attacker to exhaust server heap memory by repeatedly opening sessions, causing the node-opcua server process to crash. CVE-2026-54156: node-opcua: Unbounded nonce cache enables unauthenticated heap exhaustion DoS — advisories.gitlab.com · August 22, 2026
- CVE-2026-54156 - Exploits & Severity — Feedly · August 22, 2026