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Vendor

Mailu

5 known vulnerabilities.

Mailu at a glance

Last 12 months
4
Critical · all time
1
Exploited · all time
0
Public exploit · all time
0
New vulnerabilities per month · last 12 months
0 1 2 December 2025: 0 vulnerabilities Dec 2025 January 2026: 0 vulnerabilities February 2026: 0 vulnerabilities March 2026: 0 vulnerabilities Mar April 2026: 0 vulnerabilities May 2026: 0 vulnerabilities June 2026: 0 vulnerabilities Jun July 2026: 0 vulnerabilities August 2026: 1 vulnerability September 2026: 1 vulnerability, 1 critical Sep October 2026: 2 vulnerabilities November 2026: 0 vulnerabilities
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5 results · Feed

  • High 8.2

    Mailu: Domain managers can allow themselves to spoof on other hosted domains they should not control

    Mailu is a mail server distributed as a set of Docker images. Prior to f05aeb8322e2f61096af6b089d61ba6f40587d96, domain managers can enable spoofing for hosted domains they do not control. A potentially malicious domain administrator enables spoofing for anot…

  • High 7.2

    Mailu domain managers can take over higher-privileged accounts

    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 th…

  • Critical 9.8

    Mailu: Authentication bypass in header-based proxy authentication via spoofable `X-Forwarded-By` trust

    Mailu is a mail server distributed as a set of Docker images. From Mailu 2.0 until 2024.06.55 and prior to Mailu helm-charts 2.7.3, deployments with PROXY_AUTH_WHITELIST configured but REAL_IP_HEADER unset trusted a client-controlled X-Forwarded-By header for…

  • High 7.5

    Mailu missing authentication on PATCH /api/v1/token/<id>, which allows unauthenticated removal of IP restrictions

    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 u…

  • High 8.7

    Unspecified vulnerability in the fetchmail script in Mailu

    In Mailu before version 1.7, an authenticated user can exploit a vulnerability in Mailu fetchmail script and gain full access to a Mailu instance. Mailu servers that have open registration or untrusted users are most impacted. The master and 1.7 branches are …