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CVE-2026-40020

🗓️ 12 May 2026 14:17:00Reported by ubuntu.comType 
ubuntucve
 ubuntucve
🔗 ubuntu.com👁 22 Views

CVE-2026-40020: Attacker can use the mail protocol SETACL to inject the anyone permission.

Related
Packages
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
OSOS VersionArchitecturePackagePackage VersionFilename
Ubuntu14.04alldovecot0dovecot_0_all.deb
Ubuntu16.04alldovecot0dovecot_0_all.deb
Ubuntu18.04alldovecot0dovecot_0_all.deb
Ubuntu20.04alldovecot0dovecot_0_all.deb
Ubuntu22.04alldovecot1:2.3.16+dfsg1-3ubuntu2.9dovecot_1:2.3.16+dfsg1-3ubuntu2.9_all.deb
Ubuntu24.04alldovecot1:2.3.21+dfsg1-2ubuntu6.5dovecot_1:2.3.21+dfsg1-2ubuntu6.5_all.deb
Ubuntu25.10alldovecot1:2.4.1+dfsg1-5ubuntu4.2dovecot_1:2.4.1+dfsg1-5ubuntu4.2_all.deb
Ubuntu26.04alldovecot1:2.4.2+dfsg1-3ubuntu2.1dovecot_1:2.4.2+dfsg1-3ubuntu2.1_all.deb

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05 Jun 2026 23:48Current
5.5Medium risk
Vulners AI Score5.5
CVSS 3.13.1 - 4.3
EPSS0.0029
SSVC
22