SEPTEMBER 17, 2026
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Case File

CVE-2026-33607

MEDIUM · CVSS 4.3 EPSS 0.29% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-08-28 · Last synced 2026-09-17

CyberRota Analysis

AI-Generated

The vulnerability allows authenticated attackers to exploit the IMAP LIST command, leading to excessive CPU consumption and potential denial of service for IMAP services. Organizations using IMAP should prioritize monitoring for unusual CPU usage patterns and consider implementing account lockout measures or upgrading to a patched version to mitigate the risk. While no public exploits are currently available, the potential for service disruption warrants attention from system administrators.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
exploit

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-33607
Severity
MEDIUM
CVSS
4.3
EPSS
0.29%

Original NVD Description

An attacker that has valid credentials can use IMAP LIST command to consume CPU. This can cause degradation or denial of service for IMAP. Monitor system for abnormal CPU usage and kill the offending process and lock account. Alternatively install fixed version. No publicly available exploits are known.