CVE-2026-23953 - Vulnerability Details

Threat entity extracted from intelligence sources

Frequency
4
occurrences
First Seen
February 9, 2026
Last Seen
April 20, 2026

CVE-2026-23953 is a vulnerability tracked by ThreatCluster, appearing in 2 threat clusters built from 4 intelligence report mentions.

CVE-2026-23953 is a vulnerability tracked across 2 threat clusters and 4 intelligence report mentions on ThreatCluster. First observed February 9, 2026; most recent activity April 20, 2026.

Related Threat Clusters

Recent Intelligence Reports

  • Fedora 42 Incus 6.23 Security Update Advisory 2026 — Linuxsecurity · April 20, 2026
  • Fedora 43 incus 6.23 Dependency Removed Advisory 2026 — Linuxsecurity · April 20, 2026
  • openSUSE govulncheck-vulndb Important Security Update 2026-0403 — Linuxsecurity · February 9, 2026
  • openSUSE Govulncheck Important Update 76 Issues Fixed 2026-0403 — Linuxsecurity · February 9, 2026

Frequently asked questions

What is CVE-2026-23953?

CVE-2026-23953 is a vulnerability tracked by ThreatCluster, appearing in 2 threat clusters built from 4 intelligence report mentions.

Is CVE-2026-23953 still active?

The most recent intelligence report mentioning CVE-2026-23953 on ThreatCluster is dated April 20, 2026. Activity was first observed February 9, 2026, giving a tracked span from then to April 20, 2026.

What is CVE-2026-23953 associated with?

Across ThreatCluster reporting, CVE-2026-23953 most frequently co-occurs with CVE-2023-43630, CVE-2023-43631, CVE-2023-43632, CVE-2023-43633, CVE-2023-43634, among 12 tracked related entities.

What are the latest developments involving CVE-2026-23953?

The most significant recent cluster is “Fedora Incus 6.23 Security Update Addresses Multiple Vulnerabilities” (2 articles · Updated April 20, 2026). CVE-2026-23953 appears across 2 threat clusters in total, listed above with sources.

How much reporting does ThreatCluster have on CVE-2026-23953?

CVE-2026-23953 appears in 4 intelligence report mentions across 2 deduplicated threat clusters, aggregated from 17,000+ monitored sources.

CVSS v3.1 Breakdown