ALPINE-CVE-2026-24031

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Source
https://security.alpinelinux.org/vuln/CVE-2026-24031
Import Source
https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-24031.json
JSON Data
https://api.osv.dev/v1/vulns/ALPINE-CVE-2026-24031
Upstream
Published
2026-03-27T09:16:19Z
Modified
2026-08-27T22:18:03Z
Severity
  • 8.2 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N CVSS Calculator
Summary
[none]
Details

Dovecot SQL based authentication can be bypassed when auth_username_chars is cleared by admin. This vulnerability allows bypassing authentication for any user and user enumeration. Do not clear auth_username_chars. If this is not possible, install latest fixed version. No publicly available exploits are known.

References

Affected packages

Alpine:v3.23 / dovecot

Package

Name
dovecot
Purl
pkg:apk/alpine/dovecot?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.4.3-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-24031.json"

Alpine:v3.24 / dovecot

Package

Name
dovecot
Purl
pkg:apk/alpine/dovecot?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.4.3-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-24031.json"