Skip to content
OpenAdvisories

Vendor

SimpleMachines

7 known vulnerabilities.

Products

SMF 7
All Critical High Medium Low Exploited only Public exploit

3 results · Clear filters · Feed

  • High 8.1
    CVE-2026-43621 Public exploit

    Simple Machines Forum < 2.1.7 Authorization Confusion via Profile::load()

    Simple Machines Forum (SMF) through 2.1.7, fixed in commit 6f0dc61, contains an authorization state-confusion vulnerability in the profile loader that allows authenticated low-privileged users to gain administrator access by supplying multiple values for the …

    SimpleMachines SMF
  • High 7.7
    CVE-2026-61520

    Simple Machines Forum SSRF via image proxy

    Simple Machines Forum 2.1 prior to commit b4d23df (fixed in 2.1.8) and 3.0 prior to commit 4bf35cf contains a server-side request forgery vulnerability in the image proxy that allows authenticated attackers to trigger internal HTTP requests by embedding attac…

    SimpleMachines SMF
  • High 7.1
    CVE-2026-39903

    Simple Machines Forum Authorization Bypass via AttachmentApprove.php

    Simple Machines Forum 2.1 prior to commit 7d048f8 and 3.0 prior to commit a7875e8 contains an authorization bypass vulnerability in Sources/Actions/AttachmentApprove.php where a single-character operator error causes the permission check to always pass regard…

    SimpleMachines SMF