CVE-2026-49355

OpenProject is open-source, web-based project management software. Prior to 17.4.0, GET /api/v3/meetings/:meetingid/agendaitems/:agendaitemid 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...

CVE-2026-49355

OpenProject (open-source, web-based project management) contains a vulnerability in versions prior to 17.4.0. The issue arises in GET /api/v3/meetings/:meeting_id/agenda_items/:agenda_item_id, which may disclose private work package data from a linked work package that belongs to a private/inacce...

CVE-2026-49355 OpenProject: Private work package data disclosure through single meeting agenda item API

OpenProject is open-source, web-based project management software. Prior to 17.4.0, GET /api/v3/meetings/:meetingid/agendaitems/:agendaitemid 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...

CVE-2026-49355 OpenProject: Private work package data disclosure through single meeting agenda item API

OpenProject is open-source, web-based project management software. Prior to 17.4.0, GET /api/v3/meetings/:meetingid/agendaitems/:agendaitemid 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...

CVE-2026-44736

OpenProject vulnerability CVE-2026-44736 affects the OpenProject web-based project management platform. The flaw exists in the GET /api/v3/relations endpoint prior to version 17.4.0, allowing any authenticated user to retrieve relations and the titles of work packages they should not have permiss...

CVE-2026-44736 OpenProject: Relations API Filter Bypasses Visibility Scope, Leaking Cross-Project Work Package Subjects

OpenProject is open-source, web-based project management software. Prior to 17.4.0, the GET /api/v3/relations endpoint allows any authenticated user to retrieve relations — and the subject title of work packages they have no permission to view — by supplying an arbitrary work package ID in the...

CVE-2026-44736

OpenProject is open-source, web-based project management software. Prior to 17.4.0, the GET /api/v3/relations endpoint allows any authenticated user to retrieve relations — and the subject title of work packages they have no permission to view — by supplying an arbitrary work package ID in the...

CVE-2026-44736 OpenProject: Relations API Filter Bypasses Visibility Scope, Leaking Cross-Project Work Package Subjects

OpenProject is open-source, web-based project management software. Prior to 17.4.0, the GET /api/v3/relations endpoint allows any authenticated user to retrieve relations — and the subject title of work packages they have no permission to view — by supplying an arbitrary work package ID in the...

CVE-2026-46386 OpenProject: Pre-authentication RCE in openproject/openproject Docker image via default `SECRET_KEY_BASE=OVERWRITE_ME` and `cookies_serializer = :marshal`

OpenProject is open-source, web-based project management software. Prior to , the official openproject/openproject Docker image ships ENV SECRETKEYBASE=OVERWRITEME as the default Rails master key. Combined with cookiesserializer = :marshal, this gives any logged-in user a deterministic...

CVE-2026-46386

OpenProject is open-source, web-based project management software. Prior to , the official openproject/openproject Docker image ships ENV SECRETKEYBASE=OVERWRITEME as the default Rails master key. Combined with cookiesserializer = :marshal, this gives any logged-in user a deterministic...

CVE-2026-46386 OpenProject: Pre-authentication RCE in openproject/openproject Docker image via default `SECRET_KEY_BASE=OVERWRITE_ME` and `cookies_serializer = :marshal`

OpenProject is open-source, web-based project management software. Prior to , the official openproject/openproject Docker image ships ENV SECRETKEYBASE=OVERWRITEME as the default Rails master key. Combined with cookiesserializer = :marshal, this gives any logged-in user a deterministic...

CVE-2026-46386

OpenProject’s official docker image ships SECRET_KEY_BASE=OVERWRITE_ME and cookies_serializer = :marshal, creating a deterministic Marshal-deserialization path reachable via the /my/two_factor_devices cookie reader. This enables potential pre-authentication remote code execution, as noted in the ...

CVE-2026-52780 OpenProject: Cache store poisoning leads to Remote Code Execution (RCE)

OpenProject is open-source, web-based project management software. Prior to 17.3.3 and 17.4.1, cache store poisoning leads to Remote Code Execution RCE. This vulnerability is fixed in 17.3.3 and 17.4.1...

CVE-2026-52780 OpenProject: Cache store poisoning leads to Remote Code Execution (RCE)

OpenProject is open-source, web-based project management software. Prior to 17.3.3 and 17.4.1, cache store poisoning leads to Remote Code Execution RCE. This vulnerability is fixed in 17.3.3 and 17.4.1...

CVE-2026-52780

OpenProject is open-source, web-based project management software. Prior to 17.3.3 and 17.4.1, cache store poisoning leads to Remote Code Execution RCE. This vulnerability is fixed in 17.3.3 and 17.4.1...

CVE-2026-52780

OpenProject (open-source, web-based project management software) is affected by a cache store poisoning vulnerability that can lead to Remote Code Execution (RCE) before versions 17.3.3 and 17.4.1. The issue is resolved in 17.3.3 and 17.4.1. Affected component details and underlying root cause ar...

CVE-2026-52779 OpenProject: Cross-project authorization bypass allows deleting public Calendar and Team Planner queries from unauthorized projects

OpenProject is open-source, web-based project management software. Prior to 17.3.3 and 17.4.1, a cross-project IDOR / authorization context confusion in the Calendar and Team Planner modules allows a user with management permissions in one project to delete public Calendar or Team Planner Queries...

CVE-2026-52779

OpenProject prior to versions 17.3.3 and 17.4.1 contains a cross-project IDOR/authorization context confusion in the Calendar and Team Planner modules. A user with management permissions in one project can delete public Calendar or Team Planner Queries from another project where they lack corresp...

CVE-2026-52779 OpenProject: Cross-project authorization bypass allows deleting public Calendar and Team Planner queries from unauthorized projects

OpenProject is open-source, web-based project management software. Prior to 17.3.3 and 17.4.1, a cross-project IDOR / authorization context confusion in the Calendar and Team Planner modules allows a user with management permissions in one project to delete public Calendar or Team Planner Queries...

CVE-2026-47193

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...