CVE-2026-27851: high-severity vulnerability in Open-Xchange GmbH OX Dovecot Pro
Published · Updated
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21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.4epss 0.4%
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.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Affected products
Open-Xchange GmbH · OX Dovecot ProRelated CVEs — Open-Xchange GmbH OX Dovecot Pro
In the same product, most dangerous first.