CVE-2026-40020 - CERT CVE
ID CVE-2026-40020
Sažetak 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.
Reference
CVSS
Base: 3.1
Impact: 1.4
Exploitability:1.6
Pristup
VektorSloženostAutentikacija
NETWORK HIGH LOW
Impact
PovjerljivostCjelovitostDostupnost
NONE NONE LOW
CVSS vektor CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L
Zadnje važnije ažuriranje 18-05-2026 - 17:36
Objavljeno 12-05-2026 - 14:17