CVE-2026-24031

State
Published
Severity
7.7 High
Published
Mar 27, 2026
Updated
Jul 15, 2026
Reserved
Jan 20, 2026

Read the record on cve.org

Description

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.

Scores

CVSSScoreVectorSource
3.17.7 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:LOX
3.17.7 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:Lredhat-SADP

Weaknesses

  • CWE-89 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

Affected Products

ProductVersions
OX Dovecot ProOpen-Xchange GmbH
  • 3.1.0 and earlierAffected
  • 2.4.0 and earlierAffected

References

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.