Quick answers
- Is CVE-2026-44734 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-44734 being exploited in the wild.
- How severe is CVE-2026-44734?
- Medium severity, with a CVSS score of 6.5, published 26 June 2026.
- Which products and versions are affected?
- OpenProject GmbH OpenProject < 17.3.2, < 17.4.0.
- Is there a fix for CVE-2026-44734?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-44734 attacked?
- It is attacked over the network, in a web application.
- Am I affected by CVE-2026-44734?
- Check whether you run OpenProject GmbH OpenProject at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
A missing authorization vulnerability (CWE-862) exists in the CostReportsController of OpenProject. The 'rename' and 'update' actions fail to verify if the requesting user has the appropriate ownership or permission levels before modifying a report. An authenticated attacker can exploit this by sending a crafted POST request to the cost report endpoints if they can guess or discover the numeric ID of a public report. This allows the attacker to overwrite filter configurations, groupings, and report names. The issue is resolved in versions 17.3.2 and 17.4.0.
Affected products
- opf OpenProject < 17.3.2, < 17.4.0
Timeline
- 2026-05-13: advisory: Initial GitHub advisory published
- 2026-06-26: disclosed: NVD publication date