What is CVE-2026-44731?

CVE-2026-44731 is a medium-severity vulnerability in Opf Openproject, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 4.3/10. Published 2026-06-26.

How severe is CVE-2026-44731?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Auth bypass in Opf Openproject

CVE-2026-44731

OpenProject is open-source, web-based project management software. Prior to 17.3.2 and 17.4.0, the web application's meetings filter feature leaks whether a given user ID corresponds to a valid account and discloses the user's full name, a…

Vulnerability class: IDOR (Insecure Direct Object Reference)

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

Affected products

Opf Openproject — versions < 17.3.2

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

security-advisories@github.com (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-44731?: CVE-2026-44731 is a medium-severity vulnerability in Opf Openproject, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 4.3/10. Published 2026-06-26.
How severe is CVE-2026-44731?: Medium severity. CVSS v3 base score is 4.3 out of 10.