CVE-2026-44734
MediumCVSS 6.5Exploitation Probability (EPSS)
Low risk14th percentile — higher than 14% of all known CVEs
Summary
In OpenProject prior to versions 17.3.2 and 17.4.0, a missing authorization vulnerability exists in the CostReportsController. An authenticated attacker can rename, modify filters, and change grouping of any public cost report by knowing its numeric ID, without needing owner permissions.
Risk Assessment
The risk involves unauthorized modification of public cost reports, potentially leading to financial data manipulation, user confusion, or concealment of actual project costs.
Recommendation
Immediately update OpenProject to version 17.3.2 or 17.4.0, which contain the fix for this vulnerability.
Original NVD description (English source)
OpenProject is open-source, web-based project management software. Prior to 17.3.2 and 17.4.0, a Missing Authorization vulnerability exists in OpenProject's CostReportsController. The rename and update actions allow any authenticated user to modify the name, filters, and grouping of any Public cost report in the system without verifying ownership or permission level. An attacker who discovers or guesses a public report's numeric ID can rename or overwrite its filter configuration without any warning to the report's owner. This vulnerability is fixed in 17.3.2 and 17.4.0.