Monitor vulnerabilities like this one.
Sign up free to get alerted when software you use is affected.
5.3
OpenProject: Unauthenticated users can create project wiki pages
CVE-2026-27723
Summary
A security issue in older versions of OpenProject allows unauthorized users to create wiki pages in projects they shouldn't have access to. This can lead to sensitive information being shared or compromised. To fix this, update to version 17.0.5 or 17.1.2 or later.
What to do
No fix is available yet. Check with your software vendor for updates.
Affected software
| Vendor | Product | Affected versions | Fix available |
|---|---|---|---|
| openproject | openproject | <= 17.0.5 | – |
| openproject | openproject | > 17.1.0 , <= 17.1.2 | – |
Original title
OpenProject is an open-source, web-based project management software. Prior to versions 17.0.5 and 17.1.2, an attacker can create wiki pages belonging to unpermitted projects through an improperly ...
Original description
OpenProject is an open-source, web-based project management software. Prior to versions 17.0.5 and 17.1.2, an attacker can create wiki pages belonging to unpermitted projects through an improperly authenticated request. This issue has been patched in versions 17.0.5 and 17.1.2.
nvd CVSS3.1
4.3
Vulnerability type
CWE-284
Improper Access Control
Published: 5 Mar 2026 · Updated: 13 Mar 2026 · First seen: 6 Mar 2026