# CVE-2026-0394: dovecot-sqlite: When dovecot has been configured to use per-domain passwd files, and they are placed one path component above /etc, o...

CVE-2026-0394 is fixed in 16 products on 1 platform, first by DEBIAN-CVE-2026-0394, released March 27, 2026. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2026-0394
- Priority: Routine
- CVSS: 5.3 (Medium)
- EPSS: 0.0044
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Mar 26, 2026

## Description

When dovecot has been configured to use per-domain passwd files, and they are placed one path component above /etc, or slash has been added to allowed characters, path traversal can happen if the domain component is directory partial. This allows inadvertently reading /etc/passwd (or some other path which ends with passwd). If this file contains passwords, it can be used to authenticate wrongly, or if this is userdb, it can unexpectly make system users appear valid users.  Upgrade to fixed version, or use different authentication scheme that does not rely on paths. Alternatively you can also ensure that the per-domain passwd files are in some other location, such as /etc/dovecot/auth/%d. No publicly available exploits are known.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | dovecot Debian 12.15 (bookworm) | 1:2.3.19.1+dfsg1-2.1+deb12u2 | [DEBIAN-CVE-2026-0394](https://patchblox.com/security/data/fix/linux/debian-cve-2026-0394.md) | Mar 27, 2026 |
| Linux | dovecot Debian 13.5 (trixie) | 1:2.4.1+dfsg1-1 | [DEBIAN-CVE-2026-0394](https://patchblox.com/security/data/fix/linux/debian-cve-2026-0394.md) | Mar 27, 2026 |
| Linux | dovecot Debian 14 | 1:2.4.1+dfsg1-1 | [DEBIAN-CVE-2026-0394](https://patchblox.com/security/data/fix/linux/debian-cve-2026-0394.md) | Mar 27, 2026 |
| Linux | dovecot-auth-lua Ubuntu 22.04.1 LTS (jammy) | 1:2.3.16+dfsg1-3ubuntu2.7 | [dovecot-auth-lua 1:2.3.16+dfsg1-3ubuntu2.7](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-dovecot-auth-lua-1-2.3.16-dfsg1-3ubuntu2.7.md) | Apr 15, 2026 |
| Linux | dovecot-auth-lua Ubuntu 24.04.5 LTS (noble) | 1:2.3.21+dfsg1-2ubuntu6.3 | [dovecot-auth-lua 1:2.3.21+dfsg1-2ubuntu6.3](https://patchblox.com/security/data/fix/linux/ubuntu-noble-dovecot-auth-lua-1-2.3.21-dfsg1-2ubuntu6.3.md) | Apr 15, 2026 |
| Linux | dovecot-core Ubuntu 22.04.1 LTS (jammy) | 1:2.3.16+dfsg1-3ubuntu2.7 | [dovecot-core 1:2.3.16+dfsg1-3ubuntu2.7](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-dovecot-core-1-2.3.16-dfsg1-3ubuntu2.7.md) | Apr 15, 2026 |
| Linux | dovecot-core Ubuntu 24.04.5 LTS (noble) | 1:2.3.21+dfsg1-2ubuntu6.3 | [dovecot-core 1:2.3.21+dfsg1-2ubuntu6.3](https://patchblox.com/security/data/fix/linux/ubuntu-noble-dovecot-core-1-2.3.21-dfsg1-2ubuntu6.3.md) | Apr 15, 2026 |
| Linux | dovecot-gssapi Ubuntu 22.04.1 LTS (jammy) | 1:2.3.16+dfsg1-3ubuntu2.7 | [dovecot-gssapi 1:2.3.16+dfsg1-3ubuntu2.7](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-dovecot-gssapi-1-2.3.16-dfsg1-3ubuntu2.7.md) | Apr 15, 2026 |
| Linux | dovecot-gssapi Ubuntu 24.04.5 LTS (noble) | 1:2.3.21+dfsg1-2ubuntu6.3 | [dovecot-gssapi 1:2.3.21+dfsg1-2ubuntu6.3](https://patchblox.com/security/data/fix/linux/ubuntu-noble-dovecot-gssapi-1-2.3.21-dfsg1-2ubuntu6.3.md) | Apr 15, 2026 |
| Linux | dovecot-imapd Ubuntu 22.04.1 LTS (jammy) | 1:2.3.16+dfsg1-3ubuntu2.7 | [dovecot-imapd 1:2.3.16+dfsg1-3ubuntu2.7](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-dovecot-imapd-1-2.3.16-dfsg1-3ubuntu2.7.md) | Apr 15, 2026 |
| Linux | dovecot-imapd Ubuntu 24.04.5 LTS (noble) | 1:2.3.21+dfsg1-2ubuntu6.3 | [dovecot-imapd 1:2.3.21+dfsg1-2ubuntu6.3](https://patchblox.com/security/data/fix/linux/ubuntu-noble-dovecot-imapd-1-2.3.21-dfsg1-2ubuntu6.3.md) | Apr 15, 2026 |
| Linux | dovecot-ldap Ubuntu 22.04.1 LTS (jammy) | 1:2.3.16+dfsg1-3ubuntu2.7 | [dovecot-ldap 1:2.3.16+dfsg1-3ubuntu2.7](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-dovecot-ldap-1-2.3.16-dfsg1-3ubuntu2.7.md) | Apr 15, 2026 |
| Linux | dovecot-ldap Ubuntu 24.04.5 LTS (noble) | 1:2.3.21+dfsg1-2ubuntu6.3 | [dovecot-ldap 1:2.3.21+dfsg1-2ubuntu6.3](https://patchblox.com/security/data/fix/linux/ubuntu-noble-dovecot-ldap-1-2.3.21-dfsg1-2ubuntu6.3.md) | Apr 15, 2026 |
| Linux | dovecot-lmtpd Ubuntu 22.04.1 LTS (jammy) | 1:2.3.16+dfsg1-3ubuntu2.7 | [dovecot-lmtpd 1:2.3.16+dfsg1-3ubuntu2.7](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-dovecot-lmtpd-1-2.3.16-dfsg1-3ubuntu2.7.md) | Apr 15, 2026 |
| Linux | dovecot-lmtpd Ubuntu 24.04.5 LTS (noble) | 1:2.3.21+dfsg1-2ubuntu6.3 | [dovecot-lmtpd 1:2.3.21+dfsg1-2ubuntu6.3](https://patchblox.com/security/data/fix/linux/ubuntu-noble-dovecot-lmtpd-1-2.3.21-dfsg1-2ubuntu6.3.md) | Apr 15, 2026 |
| Linux | dovecot-lucene Ubuntu 22.04.1 LTS (jammy) | 1:2.3.16+dfsg1-3ubuntu2.7 | [dovecot-lucene 1:2.3.16+dfsg1-3ubuntu2.7](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-dovecot-lucene-1-2.3.16-dfsg1-3ubuntu2.7.md) | Apr 15, 2026 |
| Linux | dovecot-managesieved Ubuntu 22.04.1 LTS (jammy) | 1:2.3.16+dfsg1-3ubuntu2.7 | [dovecot-managesieved 1:2.3.16+dfsg1-3ubuntu2.7](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-dovecot-managesieved-1-2.3.16-dfsg1-3ubuntu2.7.md) | Apr 15, 2026 |
| Linux | dovecot-managesieved Ubuntu 24.04.5 LTS (noble) | 1:2.3.21+dfsg1-2ubuntu6.3 | [dovecot-managesieved 1:2.3.21+dfsg1-2ubuntu6.3](https://patchblox.com/security/data/fix/linux/ubuntu-noble-dovecot-managesieved-1-2.3.21-dfsg1-2ubuntu6.3.md) | Apr 15, 2026 |
| Linux | dovecot-mysql Ubuntu 22.04.1 LTS (jammy) | 1:2.3.16+dfsg1-3ubuntu2.7 | [dovecot-mysql 1:2.3.16+dfsg1-3ubuntu2.7](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-dovecot-mysql-1-2.3.16-dfsg1-3ubuntu2.7.md) | Apr 15, 2026 |
| Linux | dovecot-mysql Ubuntu 24.04.5 LTS (noble) | 1:2.3.21+dfsg1-2ubuntu6.3 | [dovecot-mysql 1:2.3.21+dfsg1-2ubuntu6.3](https://patchblox.com/security/data/fix/linux/ubuntu-noble-dovecot-mysql-1-2.3.21-dfsg1-2ubuntu6.3.md) | Apr 15, 2026 |
| Linux | dovecot-pgsql Ubuntu 22.04.1 LTS (jammy) | 1:2.3.16+dfsg1-3ubuntu2.7 | [dovecot-pgsql 1:2.3.16+dfsg1-3ubuntu2.7](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-dovecot-pgsql-1-2.3.16-dfsg1-3ubuntu2.7.md) | Apr 15, 2026 |
| Linux | dovecot-pgsql Ubuntu 24.04.5 LTS (noble) | 1:2.3.21+dfsg1-2ubuntu6.3 | [dovecot-pgsql 1:2.3.21+dfsg1-2ubuntu6.3](https://patchblox.com/security/data/fix/linux/ubuntu-noble-dovecot-pgsql-1-2.3.21-dfsg1-2ubuntu6.3.md) | Apr 15, 2026 |
| Linux | dovecot-pop3d Ubuntu 22.04.1 LTS (jammy) | 1:2.3.16+dfsg1-3ubuntu2.7 | [dovecot-pop3d 1:2.3.16+dfsg1-3ubuntu2.7](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-dovecot-pop3d-1-2.3.16-dfsg1-3ubuntu2.7.md) | Apr 15, 2026 |
| Linux | dovecot-pop3d Ubuntu 24.04.5 LTS (noble) | 1:2.3.21+dfsg1-2ubuntu6.3 | [dovecot-pop3d 1:2.3.21+dfsg1-2ubuntu6.3](https://patchblox.com/security/data/fix/linux/ubuntu-noble-dovecot-pop3d-1-2.3.21-dfsg1-2ubuntu6.3.md) | Apr 15, 2026 |
| Linux | dovecot-sieve Ubuntu 22.04.1 LTS (jammy) | 1:2.3.16+dfsg1-3ubuntu2.7 | [dovecot-sieve 1:2.3.16+dfsg1-3ubuntu2.7](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-dovecot-sieve-1-2.3.16-dfsg1-3ubuntu2.7.md) | Apr 15, 2026 |
| Linux | dovecot-sieve Ubuntu 24.04.5 LTS (noble) | 1:2.3.21+dfsg1-2ubuntu6.3 | [dovecot-sieve 1:2.3.21+dfsg1-2ubuntu6.3](https://patchblox.com/security/data/fix/linux/ubuntu-noble-dovecot-sieve-1-2.3.21-dfsg1-2ubuntu6.3.md) | Apr 15, 2026 |
| Linux | dovecot-solr Ubuntu 22.04.1 LTS (jammy) | 1:2.3.16+dfsg1-3ubuntu2.7 | [dovecot-solr 1:2.3.16+dfsg1-3ubuntu2.7](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-dovecot-solr-1-2.3.16-dfsg1-3ubuntu2.7.md) | Apr 15, 2026 |
| Linux | dovecot-solr Ubuntu 24.04.5 LTS (noble) | 1:2.3.21+dfsg1-2ubuntu6.3 | [dovecot-solr 1:2.3.21+dfsg1-2ubuntu6.3](https://patchblox.com/security/data/fix/linux/ubuntu-noble-dovecot-solr-1-2.3.21-dfsg1-2ubuntu6.3.md) | Apr 15, 2026 |
| Linux | dovecot-sqlite Ubuntu 22.04.1 LTS (jammy) | 1:2.3.16+dfsg1-3ubuntu2.7 | [dovecot-sqlite 1:2.3.16+dfsg1-3ubuntu2.7](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-dovecot-sqlite-1-2.3.16-dfsg1-3ubuntu2.7.md) | Apr 15, 2026 |
| Linux | dovecot-sqlite Ubuntu 24.04.5 LTS (noble) | 1:2.3.21+dfsg1-2ubuntu6.3 | [dovecot-sqlite 1:2.3.21+dfsg1-2ubuntu6.3](https://patchblox.com/security/data/fix/linux/ubuntu-noble-dovecot-sqlite-1-2.3.21-dfsg1-2ubuntu6.3.md) | Apr 15, 2026 |
| Linux | dovecot-submissiond Ubuntu 22.04.1 LTS (jammy) | 1:2.3.16+dfsg1-3ubuntu2.7 | [dovecot-submissiond 1:2.3.16+dfsg1-3ubuntu2.7](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-dovecot-submissiond-1-2.3.16-dfsg1-3ubuntu2.7.md) | Apr 15, 2026 |
| Linux | dovecot-submissiond Ubuntu 24.04.5 LTS (noble) | 1:2.3.21+dfsg1-2ubuntu6.3 | [dovecot-submissiond 1:2.3.21+dfsg1-2ubuntu6.3](https://patchblox.com/security/data/fix/linux/ubuntu-noble-dovecot-submissiond-1-2.3.21-dfsg1-2ubuntu6.3.md) | Apr 15, 2026 |

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Data as of 2026-11-08T06:59:42Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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