Vulnerability 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.
Related Weaknesses (CWE)
References
- https://github.com/humhub/humhub/pull/8163
- https://github.com/humhub/humhub/security/advisories/GHSA-hj67-5q6h-j7c2
FAQ
What is CVE-2026-47657?
CVE-2026-47657 is a documented vulnerability. 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...
How severe is CVE-2026-47657?
CVSS scoring is not yet available for CVE-2026-47657. Check NVD for updates.
Is there a patch for CVE-2026-47657?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.