CVE-2026-27859 - Vulnerability Details

Frequency

occurrences

First Seen

April 28, 2026

Last Seen

April 28, 2026

CVE-2026-27859 is a vulnerability tracked across 1 threat cluster and 1 intelligence report mention on ThreatCluster. First observed April 28, 2026; most recent activity April 28, 2026.

Related Threat Clusters

Dovecot Vulnerabilities Lead to Denial of Service Risks in Ubuntu and Debian
Recent updates to Dovecot have revealed multiple vulnerabilities affecting Ubuntu and Debian systems. Specifically, CVE-2025-59031 and CVE-2025-59032 expose systems to denial of service attacks through mishandling of…

2 articles · Updated May 1, 2026

Recent Intelligence Reports

USN-8136-2: Dovecot regression — Ubuntu · April 28, 2026

Related Entities

Denial of Service CVE-2025-59028 CVE-2025-59031 CVE-2025-59032 CVE-2026-0394 CVE-2026-24031 CVE-2026-27855 CVE-2026-27856 CVE-2026-27857 CVE-2026-27858 CVE-2026-27860 CWE-22 - Path Traversal

CVE-2026-27859 - Vulnerability Details

Entity Not Found

Related Threat Clusters

Recent Intelligence Reports

Related Entities

CVSS v3.1 Breakdown