High 7.2Published Oct 16, 2026

CVE-2026-86008Mailu domain managers can take over higher-privileged accounts

Updated under an hour ago (2026-10-19 10:10 UTC)

Does this affect you?

It affects Mailu. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

Do this next

Start free and add your stack

Free account, 1 product

Every CVE for Mailu

Exploited in the last 30 days

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.

CVSS: 7.2 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-285, CWE-269
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: GitHub_M
NVD analysis: Deferred
Record last updated: Oct 16, 2026
First seen by InfoSec Signals: Oct 16, 2026

Affected products

Affected products

Mailu Mailu mailu:mailu (from the name)	before 8577c929b4ade04d3cd4210cf036601abd793556	CNA record

References

https://github.com/Mailu/Mailu/security/advisories/GHSA-9pv5-rm76-3qwjx-refsource-confirm
https://github.com/Mailu/Mailu/issues/2685x-refsource-misc
https://github.com/Mailu/Mailu/pull/4050x-refsource-misc
https://github.com/Mailu/Mailu/commit/8577c929b4ade04d3cd4210cf036601abd793556x-refsource-misc

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.