CVE-2026-49355: CWE-200: Exposure of Sensitive Information to an Unauthorized Actor in opf openproject
OpenProject is open-source, web-based project management software. Prior to 17.4.0, `GET /api/v3/meetings/:meeting_id/agenda_items/:agenda_item_id` discloses private work package data from a linked work package that belongs to a private/inaccessible project. This vulnerability is fixed in 17.4.0.
AI Analysis
Technical Summary
CVE-2026-49355 is an information exposure vulnerability in OpenProject, an open-source project management software. The issue occurs in the API endpoint GET /api/v3/meetings/:meeting_id/agenda_items/:agenda_item_id, which leaks private data from linked work packages associated with private or inaccessible projects. This vulnerability is fixed starting with OpenProject version 17.4.0.
Potential Impact
The vulnerability allows unauthorized actors with some level of privileges (low complexity, requires privileges) to access sensitive information from private work packages that should be inaccessible. The confidentiality impact is limited to information disclosure without affecting integrity or availability.
Mitigation Recommendations
Upgrade OpenProject to version 17.4.0 or later, where this vulnerability is fixed. No other official remediation or temporary fixes are indicated. Patch status is confirmed by the vendor stating the fix is in 17.4.0.
CVE-2026-49355: CWE-200: Exposure of Sensitive Information to an Unauthorized Actor in opf openproject
Description
OpenProject is open-source, web-based project management software. Prior to 17.4.0, `GET /api/v3/meetings/:meeting_id/agenda_items/:agenda_item_id` discloses private work package data from a linked work package that belongs to a private/inaccessible project. This vulnerability is fixed in 17.4.0.
CVSS v3.1
Score 4.3medium
Affected software
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-49355 is an information exposure vulnerability in OpenProject, an open-source project management software. The issue occurs in the API endpoint GET /api/v3/meetings/:meeting_id/agenda_items/:agenda_item_id, which leaks private data from linked work packages associated with private or inaccessible projects. This vulnerability is fixed starting with OpenProject version 17.4.0.
Potential Impact
The vulnerability allows unauthorized actors with some level of privileges (low complexity, requires privileges) to access sensitive information from private work packages that should be inaccessible. The confidentiality impact is limited to information disclosure without affecting integrity or availability.
Mitigation Recommendations
Upgrade OpenProject to version 17.4.0 or later, where this vulnerability is fixed. No other official remediation or temporary fixes are indicated. Patch status is confirmed by the vendor stating the fix is in 17.4.0.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GitHub_M
- Date Reserved
- 2026-05-29T14:35:45.904Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a3edc0572d29f1837f466df
Added to database: 06/26/2026, 20:07:33 UTC
Last enriched: 07/03/2026, 22:31:06 UTC
Last updated: 08/10/2026, 12:41:11 UTC
Views: 78
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