CVE-2026-67529

MEDIUM 4.3

OpenProject: Private work package subject/identity disclosure through the global Time Entries and Cost Entries APIs (linked work package rendered without visibility check)

CVSS Score

4.3

EPSS Score

0.0%

EPSS Percentile

0th

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/costs/lib/api/v3/time_entries/time_entry_representer.rb and modules/costs/lib/api/v3/cost_entries/cost_entry_representer.rb without checking WorkPackage.visible or view_work_packages, allowing users with view_time_entries or view_cost_entries to read private work package subjects and ids. This issue is fixed in 17.6.0.

CWE	CWE-200 CWE-862
Vendor	opf
Product	openproject
Published	Jul 30, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Affected Versions

opf / openproject

< 17.6.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/opf/openproject/security/advisories/GHSA-v3j7-vqwv-5w5q github.com: https://github.com/opf/openproject/pull/23888 github.com: https://github.com/opf/openproject/pull/23936 github.com: https://github.com/opf/openproject/commit/9e9e562e516a647f35267df715d875f58b267c18 github.com: https://github.com/opf/openproject/commit/c31c2f958c8e72a0d0d748d728221d57f3ef9001 github.com: https://github.com/opf/openproject/releases/tag/v17.6.0