CSRF Vulnerability in OpenProject Software from OpenProject Foundation
CVE-2026-52784

8.8HIGH

Key Information:

Vendor

Opf

Status
Openproject
Vendor
CVE Published:
26 June 2026

What is CVE-2026-52784?

A Cross-Site Request Forgery (CSRF) vulnerability exists in OpenProject, an open-source project management software. This vulnerability allows an attacker to send unauthorized requests on behalf of an authenticated user via the POST parameter 'user[admin]' through the endpoint /users/:id. It is important for users to update to versions 17.3.3 or 17.4.1 or later to mitigate this issue.

Affected Version(s)

openproject < 17.3.3 < 17.3.3

openproject >= 17.4.0, < 17.4.1 < 17.4.0, 17.4.1

References

https://github.com/opf/openproject/security/advisories/GH...
x_refsource_CONFIRM

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.