Dovecot vulnerabilities: known CVEs & security history
Dovecot · Mail server · 7 tracked CVEs · 0 actively exploited · updated August 2026 · what is a CVE? →
This is the full list of known vulnerabilities (CVEs) across all Dovecot release lines — 7 in total. A CVE here doesn't mean your version is affected — check Dovecot's current status and the safe version to run.
Known Dovecot CVEs
Actively-exploited and most-severe first. Open any CVE for full details.
| CVE | Severity | CVSS | EPSS | Year |
|---|---|---|---|---|
| CVE-2026-24031 | high | 7.7 | 0% | 2026 |
| CVE-2026-27858 | high | 7.5 | 1% | 2026 |
| CVE-2025-59032 | high | 7.5 | 1% | 2026 |
| CVE-2026-27851 | high | 7.4 | 0% | 2026 |
| CVE-2026-27856 | high | 7.4 | 0% | 2026 |
| CVE-2026-42006 | medium | 4.3 | 1% | 2026 |
| CVE-2026-27857 | medium | 4.3 | 1% | 2026 |
Is my Dovecot version affected?
The list above spans every release. To know whether your version is affected — and the minimum safe version to upgrade to — check it directly.
Check your Dovecot version → · Monitor Dovecot for new CVEs →
Dovecot vulnerabilities — frequently asked
How many known vulnerabilities does Dovecot have?
IsItPatched tracks 7 CVEs for Dovecot. 0 are critical-severity and 5 high-severity. These span every release line — what matters is whether the version you run is affected.
Does Dovecot have any actively-exploited vulnerabilities?
None of Dovecot's tracked CVEs are currently in CISA's KEV catalog — but new ones can be added at any time, so keep your version current.
What is the most severe Dovecot vulnerability?
Among tracked issues, CVE-2026-24031 (HIGH, CVSS 7.7) ranks highest — a SQL injection weakness.
Is Dovecot safe to use?
It depends on the version. The latest supported Dovecot release clears the known issues; older versions may still be affected. Check the exact version you run for a verdict.
CVE data aggregated from NVD, CISA KEV and EPSS (FIRST.org). Related: Dovecot security status · Dovecot end-of-life · actively-exploited CVEs. Always verify against Dovecot's advisories — see our disclaimer.