CVE-2026-21637 - Vulnerability Details

Threat entity extracted from intelligence sources

Frequency
12
occurrences
First Seen
January 26, 2026
Last Seen
June 10, 2026

CVE-2026-21637 is a vulnerability tracked across 7 threat clusters and 12 intelligence report mentions on ThreatCluster. First observed January 26, 2026; most recent activity June 10, 2026.

Related Threat Clusters

Recent Intelligence Reports

  • Oracle Linux 10 Nodejs24 Important Security Update ELSA-2026 — Linuxsecurity · June 10, 2026
  • SUSE nodejs22 Important Resource Degradation Fix Advisory 2026-1509 — Linuxsecurity · April 21, 2026
  • SUSE 15 SP7 Nodejs22 Important Security Update 2026-1478 — Linuxsecurity · April 20, 2026
  • Patch Tuesday - April 2026 — Rapid7 · April 14, 2026
  • Node.js Fixes Critical Flaws, Patches DoS Risk in Latest Security Update — Thecyberexpress · March 26, 2026
  • SUSE Nodejs20 Important Security Update 2026-0457-1 CVE-2025 — Linuxsecurity · February 12, 2026
  • openSUSE Leap 15.5 nodejs20 Important Fix Multiple Issues 2026-0457 — Linuxsecurity · February 12, 2026
  • Critical Denial of Service Advisory for Node.js 20 on Fedora 42 — Linuxsecurity · January 31, 2026

CVSS v3.1 Breakdown