CVE-2026-44734 Missing authorization in openproject
Authenticated users can modify public cost reports without authorization, allowing unauthorized data modification in OpenProject.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-44734?
CVE-2026-44734 is a medium-severity missing authorization vulnerability in opf openproject, published on 26 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
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.
Weakness: CWE-862
Which versions are affected by CVE-2026-44734?
How do I fix CVE-2026-44734?
No fix has been published for CVE-2026-44734 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-44734 being exploited?
There is no known exploitation of CVE-2026-44734 in the wild and no public exploit code.
Sources
Also known as GHSA-c767-34gh-gh2h.