CVE-2026-27851: Open-Xchange GmbH OX Dovecot Pro vulnerability
Open-Xchange GmbH · OX Dovecot Pro
Vendor fix available · Affected: Open-Xchange GmbH OX Dovecot Pro · Exploitation: unlikely (under 1%)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 35% of scored CVEs
DescriptionCVE.org
When safe filter is used with variable expansion, all following pipelines on the same string are incorrectly interpreted as safe too, enabling unsafe data to be unescaped. This can enable SQL / LDAP injection attacks when used in authentication. Avoid using safe filter until on fixed version. No publicly available exploits are known.
Affected products1
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- Open-Xchange GmbH · OX Dovecot Proup to and including 3.1.4; up to and including 2.4.3
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Unlikely (under 1%). EPSS under 1%, or no score yet.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Vendor
- Open-Xchange GmbH
- Published
- May 2026
CoverageNo articles yet
No CyberSIXT article names CVE-2026-27851 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.