CVE Watch15 jul 2026

CVE-2026-27856

Doveadm credentials are verified using direct comparison which is susceptible to timing oracle attack. An attacker can use this to determine

CVSS

7.4

Alto

EPSS

0.4%

p31

KEV

—

Exploit Today

0-100

Publicado: 27 mar 2026 · Última mod.: 15 jul 2026 · CWE-287 · CWE-208

EPSS · 30d

0.4%EPSS · 30 días0.4%

2026-06-302026-07-16

Descripción técnica

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.

Referencias oficiales

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