CVE-2026-40016 - CERT CVE
ID CVE-2026-40016
Sažetak Attacker can upload a malicious Sieve script over ManageSieve service (or locally) to bypass configured CPU time limits for Sieve up to 130 times of the configured limit. Attacker can use this to degrade server performance and bypass configured CPU time limits for Sieve scripts. Install fixed version, or alternatively prevent direct access to Sieve scripts via ManageSieve or local access. No publicly available exploits are known.
Reference
CVSS
Base: 5.3
Impact: 3.6
Exploitability:1.6
Pristup
VektorSloženostAutentikacija
NETWORK HIGH LOW
Impact
PovjerljivostCjelovitostDostupnost
NONE NONE HIGH
CVSS vektor CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Zadnje važnije ažuriranje 18-05-2026 - 17:34
Objavljeno 12-05-2026 - 14:17