CVE-2026-53489 - Vulnerability Details

Threat entity extracted from intelligence sources

Frequency
4
occurrences
First Seen
June 25, 2026
Last Seen
June 25, 2026

CVE-2026-53489 is a vulnerability tracked by ThreatCluster, appearing in 1 threat cluster built from 4 intelligence report mentions.

CVE-2026-53489 is a vulnerability tracked across 1 threat cluster and 4 intelligence report mentions on ThreatCluster. First observed June 25, 2026; most recent activity June 25, 2026.

Related Threat Clusters

  • Multiple Vulnerabilities in containerd Affecting Ubuntu Systems

    On June 25, 2026, several vulnerabilities in containerd were disclosed, affecting various Ubuntu LTS versions. Key issues include improper handling of HTTP/2 SETTINGS frames (CVE-2026-33814), which can lead to denial of…

    6 articles · Updated June 25, 2026

Recent Intelligence Reports

  • Ubuntu 26.04 containerd-stable Important DoS Issues USN-8473 — Linuxsecurity · June 25, 2026
  • Ubuntu 26.04 High Containerd Denial of Service Issues USN-8472 — Linuxsecurity · June 25, 2026
  • USN-8472-1: containerd vulnerabilities — Ubuntu · June 25, 2026
  • USN-8473-1: containerd — Ubuntu · June 25, 2026

Related Entities

Data Breach DDoS Ubuntu CVE-2026-33814 CVE-2026-47262 CVE-2026-50195 CVE-2026-53488 CVE-2026-53492 CWE-200 - Exposure of Sensitive Information Containerd Containerd-app

Frequently asked questions

What is CVE-2026-53489?

CVE-2026-53489 is a vulnerability tracked by ThreatCluster, appearing in 1 threat cluster built from 4 intelligence report mentions.

Is CVE-2026-53489 still active?

The most recent intelligence report mentioning CVE-2026-53489 on ThreatCluster is dated June 25, 2026.

What is CVE-2026-53489 associated with?

Across ThreatCluster reporting, CVE-2026-53489 most frequently co-occurs with Data Breach, DDoS, Ubuntu, CVE-2026-33814, CVE-2026-47262, among 11 tracked related entities.

What are the latest developments involving CVE-2026-53489?

The most significant recent cluster is “Multiple Vulnerabilities in containerd Affecting Ubuntu Systems” (6 articles · Updated June 25, 2026). CVE-2026-53489 appears across 1 threat cluster in total, listed above with sources.

How much reporting does ThreatCluster have on CVE-2026-53489?

CVE-2026-53489 appears in 4 intelligence report mentions across 1 deduplicated threat cluster, aggregated from 17,000+ monitored sources.

CVSS v3.1 Breakdown