CVE-2026-27856
21Vexday Risk Score
Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.
ssvc Trackcvss 7.4epss 0.4%
probabilidad de explotación
0.4%top 68% de las CVE
explotación observada
noninguna fuente lo reporta
Doveadm credentials are verified using direct comparison which is susceptible to timing oracle attack. An attacker can use this to determine the configured credentials. Figuring out the credential will lead into full access to the affected component. Limit access to the doveadm http service port, install 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
Productos afectados
Open-Xchange GmbH · OX Dovecot ProReferencias
https://access.redhat.com/errata/RHSA-2026:26564https://access.redhat.com/security/cve/CVE-2026-27856https://bugzilla.redhat.com/show_bug.cgi?id=2452171https://documentation.open-xchange.com/dovecot/security/advisories/csaf/2026/oxdc-adv-2026-0001.jsonhttps://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-27856.json