CVE-2026-47193

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

State: Published
Severity: 7.5 High
Published: Jun 26, 2026
Updated: Jun 26, 2026
Reserved: May 18, 2026

Description

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.

Scores

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

Weaknesses

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

Affected Products

Product	Versions
openprojectopf	< 17.3.3Affected >= 17.4.0, < 17.4.1Affected

References

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

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