CVE-2026-49217 — HIGH (7.5)

Vulnerability Description

Mailu is a mail server as a set of Docker images. Prior to version 2024.06.52, a missing authorization check in the Mailu admin REST API allows any unauthenticated attacker to remove any potential IP restriction or update the comment field from any existing user token provided the REST API is enabled. Upgrade to Mailu 2024.06.52 to receive a patch or, as a workaround, turn the REST API off.

CVSS Score

7.5

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

HIGH

Availability

NONE

Related Weaknesses (CWE)

CWE-306

References

https://github.com/Mailu/Mailu/security/advisories/GHSA-2w8v-6xr5-g9gh

FAQ

What is CVE-2026-49217?

CVE-2026-49217 is a vulnerability with a CVSS score of 7.5 (HIGH). Mailu is a mail server as a set of Docker images. Prior to version 2024.06.52, a missing authorization check in the Mailu admin REST API allows any unauthenticated attacker to remove any potential IP ...

How severe is CVE-2026-49217?

CVE-2026-49217 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-49217?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.