CVE-2026-86008

high

Description

Mailu is a mail server distributed as a set of Docker images. Prior to 8577c929b4ade04d3cd4210cf036601abd793556, a domain manager targeting an administrative account or another domain manager with greater privileges can reset passwords or obtain tokens for that account. This authorization failure allows a domain manager to take over a higher-privileged account and exercise that account's permissions. This vulnerability is addressed by commit 8577c929b4ade04d3cd4210cf036601abd793556.

References

https://github.com/Mailu/Mailu/security/advisories/GHSA-9pv5-rm76-3qwj

https://github.com/Mailu/Mailu/pull/4050

https://github.com/Mailu/Mailu/issues/2685

https://github.com/Mailu/Mailu/commit/8577c929b4ade04d3cd4210cf036601abd793556

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-102921

Details

Source: Mitre, NVD

Published: 2026-10-16

Updated: 2026-10-16

Risk Information

CVSS v2

Base Score: 8.3

Vector: CVSS2#AV:N/AC:L/Au:M/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 7.2

Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.00314