Import Source
https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-86808.json
JSON Data
https://api.osv.dev/v1/vulns/AZL-86808
Upstream
Published
2026-05-12T14:17:03Z
Modified
2026-08-31T05:26:07Z
Summary
CVE-2026-40020 affecting package dovecot 2.3.20-1
Details

Attacker can use the IMAP SETACL command to inject the anyone permission to user's dovecot-acl file even if imapaclallow_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.

References

Affected packages

Azure Linux:3 / dovecot

Package

Name
dovecot
Purl
pkg:rpm/azure-linux/dovecot

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Last affected
2.3.20-1

Database specific

source
"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-86808.json"