Mailu domain managers can take over higher-privileged accounts

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-86008
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-10-16 17:17:51 UTC
Updated2026-10-16 17:17:51 UTC
DescriptionMailu 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.

Risk And Classification

Primary CVSS: v3.1 7.2 HIGH from [email protected]

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

Problem Types: CWE-269 | CWE-285 | CWE-285 CWE-285: Improper Authorization | CWE-269 CWE-269: Improper Privilege Management

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary7.2HIGHCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
3.1CNADECLARED7.2HIGHCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Mailu Mailu affected < 8577c929b4ade04d3cd4210cf036601abd793556 Not specified

References

ReferenceSourceLinkTags
github.com/Mailu/Mailu/commit/8577c929b4ade04d3cd4210cf036601abd793556 [email protected] github.com
github.com/Mailu/Mailu/issues/2685 [email protected] github.com
github.com/Mailu/Mailu/pull/4050 [email protected] github.com
github.com/Mailu/Mailu/security/advisories/GHSA-9pv5-rm76-3qwj [email protected] github.com
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