Auth bypass in Opf Openproject

CVE-2026-67529

OpenProject is open-source, web-based project management software. Prior to 17.6.0, GET /api/v3/time_entries and GET /api/v3/cost_entries rendered _links.workPackage.title and _links.workPackage.href through associated_resource in modules/…

Vulnerability class: Information Disclosure

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

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-67529?
CVE-2026-67529 is a medium-severity vulnerability in Opf Openproject, classified under Information Disclosure. CVSS score: 4.3/10. Published 2026-07-30.
How severe is CVE-2026-67529?
Medium severity. CVSS v3 base score is 4.3 out of 10.