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CVE-2026-40020

🗓️ 12 May 2026 14:17:03Reported by [email protected]Type 
nvd
 nvd
🔗 web.nvd.nist.gov👁 38 Views

Setacl can inject anyone permission into dovecot access control, causing folder spam.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-40020
12 May 202613:28
–attackerkb
alpinelinux
AlpineLinux
CVE-2026-40020
12 May 202613:28
–alpinelinux
astralinux
AstraLinux
Astra Linux – Vulnerability in dovecot
14 Sep 202612:01
–astralinux
bdu_fstec
BDU FSTEC
Dovecot ACL DoS
23 Jul 202600:00
–bdu_fstec
cnnvd
CNNVD
Open-Xchange OX Dovecot Pro Access Control Vulnerability
12 May 202600:00
–cnnvd
cve
CVE
CVE-2026-40020
12 May 202613:28
–cve
cvelist
Cvelist
CVE-2026-40020
12 May 202613:28
–cvelist
debian
Debian
[SECURITY] [DLA 4617-1] dovecot security update
5 Jun 202612:28
–debian
debian
Debian
[SECURITY] [DSA 6313-1] dovecot security update
31 May 202618:25
–debian
debiancve
Debian CVE
CVE-2026-40020
12 May 202613:28
–debiancve
Rows per page
NVD
Node
OR
dovecotdovecotRange<2.4.4
open-xchangedovecotRange<3.1.5pro

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26 Oct 2026 18:10Current
CVSS 3.13.1 - 4.3
EPSS0.0026
SSVC
38