CVE-2026-40018 SQL injection in OX Dovecot CE
SQL injection vulnerability in Open-Xchange Dovecot allows attackers to read or modify database contents.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-40018?
CVE-2026-40018 is a high-severity SQL injection vulnerability in Open-Xchange GmbH OX Dovecot CE, published on 28 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
None None None No publicly available exploits are known.
Weakness: CWE-89
Which versions are affected by CVE-2026-40018?
How do I fix CVE-2026-40018?
Apply the vendor's patch.
Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.
Is CVE-2026-40018 being exploited?
There is no known exploitation of CVE-2026-40018 in the wild and no public exploit code.
Sources
Also known as AZL-98319, CLSA-2026-1792236832, CLSA-2026-1792237792, CLSA-2026-1792238249, DEBIAN-CVE-2026-40018, GHSA-8r49-82qf-r286 and 1 more.