CVE-2026-47193 PUBLISHED

OpenProject: Journal diff endpoint bypasses object, journal, and field visibility checks

Assigner: GitHub_M
Reserved: 18.05.2026 Published: 26.06.2026 Updated: 26.06.2026

OpenProject is open-source, web-based project management software. Prior to 17.3.3 and 17.4.1, the journal diff endpoint discloses hidden historical field values without enforcing object and field visibility. This vulnerability is fixed in 17.3.3 and 17.4.1.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS Score: 7.5

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	None	Integrity Impact	None
User Interaction	None	Availability Impact	None

CVSS 3.1

Product Status

Vendor	opf
Product	openproject
Versions	Version < 17.3.3 is affected Version >= 17.4.0, < 17.4.1 is affected

References

https://github.com/opf/openproject/security/advisories/GHSA-f2rx-x2qj-2hgj

Problem Types

CWE-200: Exposure of Sensitive Information to an Unauthorized Actor CWE
CWE-862: Missing Authorization CWE