Search: CVE-2026-40020

1 threat

Severity	CVSS	Signals	Threat	Source	Published	Score and star
Low	3.1	EPSS 0.3%	CVE-2026-40020Open-Xchange OX Dovecot Pro · Improper Access Control Low3.1EPSS 0.3%2026-05-12CVE Database V5CVE-2026-40020 Attacker can use the IMAP SETACL command to inject the anyone permission to user's dovecot-acl file even if imap_acl_allow_anyone=no. This causes folders to be spammed to all users. The impact is limited to being able to spam folders to other users, no unexpected access is gained. Install to fixed version. No publicly available exploits are known. EPSS 0.3%Vulnerability	CVE Database V5	2026-05-12

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