Skip to content
CVE PROGRAM SOURCE RECORD7.1 High

CVE-2026-47657

HumHub Missing Authorization on Remove All Space Members Action

Description

HumHub is an Open Source Enterprise Social Network. In versions 1.13.0 through 1.18.2, a missing authorization check in the Space member management controller allowed any authenticated user to trigger the removal of all members from any Space, regardless of their own role or membership in that Space. Versions 1.13.0 through 1.18.2 are affected. The vulnerability has been patched in version 1.18.3, and all users are encouraged to upgrade to this version or later immediately. No known workaround is available.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

humhub humhub

  • >= 1.13.0, < 1.18.3affected

References