CVE-2026-47193 OpenProject: Journal diff endpoint bypasses object, journal, and field visibility checks

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...

CVE-2026-47193

OpenProject (open-source web-based project management) contains a vulnerability in the journal diff endpoint that discloses hidden historical field values due to lack of object/field visibility enforcement. The issue is fixed in versions 17.3.3 and 17.4.1. Affected component: journal diff endpoin...

CVE-2026-47193 OpenProject: Journal diff endpoint bypasses object, journal, and field visibility checks

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...

CVE-2026-52781 OpenProject: Stored XSS on openproject.example.com through /api/v3/projects/{project}/work_packages via POST parameter "description"

OpenProject is open-source, web-based project management software. Prior to 17.3.3 and 17.4.1, the HTML sanitizer grants elements unrestricted data- attributes via :data wildcard. An attacker injects data-controller="poll-for-changes" into a work package description, causing Stimulus.js to mount ...

CVE-2026-52781

OpenProject CVE-2026-52781 affects the open-source, web-based project management software. Prior to versions 17.3.3 and 17.4.1, the HTML sanitizer allowed elements to have unrestricted data-* attributes via a :data wildcard. An attacker could inject data-controller="poll-for-changes" into a work...

CVE-2026-52781

OpenProject is open-source, web-based project management software. Prior to 17.3.3 and 17.4.1, the HTML sanitizer grants elements unrestricted data- attributes via :data wildcard. An attacker injects data-controller="poll-for-changes" into a work package description, causing Stimulus.js to mount ...

CVE-2026-52781 OpenProject: Stored XSS on openproject.example.com through /api/v3/projects/{project}/work_packages via POST parameter "description"

OpenProject is open-source, web-based project management software. Prior to 17.3.3 and 17.4.1, the HTML sanitizer grants elements unrestricted data- attributes via :data wildcard. An attacker injects data-controller="poll-for-changes" into a work package description, causing Stimulus.js to mount ...

CVE-2026-52782 OpenProject: IDOR through /projects/<A>/settings/project_storages/<A_ps_id> via PATCH parameter "storages_project_storage[project_folder_id]" leads to Access to Unauthorized Resources

OpenProject is open-source, web-based project management software. Prior to 17.3.3 and 17.4.1, there is an IDOR through /projects//settings/projectstorages/ via PATCH parameter "storagesprojectstorageprojectfolderid" leads to Access to Unauthorized Resources. A project-admin in one project can...

CVE-2026-52782

OpenProject is open-source, web-based project management software. Prior to 17.3.3 and 17.4.1, there is an IDOR through /projects//settings/projectstorages/ via PATCH parameter "storagesprojectstorageprojectfolderid" leads to Access to Unauthorized Resources. A project-admin in one project can...

CVE-2026-52782

OpenProject versions prior to 17.3.3 and 17.4.1 are affected by an IDOR in /projects//settings/project_storages/ via PATCH parameter storages_project_storage[project_folder_id], allowing a project-admin to hijack another project’s managed Nextcloud/OneDrive folder on the same storage. The vulnera...

CVE-2026-52782 OpenProject: IDOR through /projects/<A>/settings/project_storages/<A_ps_id> via PATCH parameter "storages_project_storage[project_folder_id]" leads to Access to Unauthorized Resources

OpenProject is open-source, web-based project management software. Prior to 17.3.3 and 17.4.1, there is an IDOR through /projects//settings/projectstorages/ via PATCH parameter "storagesprojectstorageprojectfolderid" leads to Access to Unauthorized Resources. A project-admin in one project can...

CVE-2026-52783 OpenProject: Information Disclosure (cleartext storage of data) on localhost through memcached via Others "storage.<id>.httpx_access_token" leads to Sensitive Data Exposure

OpenProject is open-source, web-based project management software. Prior to 17.3.3 and 17.4.1, OpenProject's Storages module writes the OneDrive/SharePoint userless OAuth accesstoken plaintext to Rails.cache under the deterministic key storage..httpxaccesstoken, repopulated continuously by an...

CVE-2026-52783

OpenProject is open-source, web-based project management software. Prior to 17.3.3 and 17.4.1, OpenProject's Storages module writes the OneDrive/SharePoint userless OAuth accesstoken plaintext to Rails.cache under the deterministic key storage..httpxaccesstoken, repopulated continuously by an...

CVE-2026-52783

OpenProject stores OneDrive/SharePoint userless OAuth access_token in plaintext in Rails.cache within the Storages module prior to versions 17.3.3 and 17.4.1. None of the allowed backends (file_store, memcache, redis) encrypts data at rest. An attacker with read access to the cache can retrieve t...

CVE-2026-52783 OpenProject: Information Disclosure (cleartext storage of data) on localhost through memcached via Others "storage.<id>.httpx_access_token" leads to Sensitive Data Exposure

OpenProject is open-source, web-based project management software. Prior to 17.3.3 and 17.4.1, OpenProject's Storages module writes the OneDrive/SharePoint userless OAuth accesstoken plaintext to Rails.cache under the deterministic key storage..httpxaccesstoken, repopulated continuously by an...

CVE-2026-52784 OpenProject: CSRF on TARGET through /users/:id via POST parameter "user[admin]"

OpenProject is open-source, web-based project management software. Prior to 17.3.3 and 17.4.1, there is a CSRF on TARGET through /users/:id via POST parameter "useradmin". This vulnerability is fixed in 17.3.3 and 17.4.1...

CVE-2026-52784 OpenProject: CSRF on TARGET through /users/:id via POST parameter "user[admin]"

OpenProject is open-source, web-based project management software. Prior to 17.3.3 and 17.4.1, there is a CSRF on TARGET through /users/:id via POST parameter "useradmin". This vulnerability is fixed in 17.3.3 and 17.4.1...

CVE-2026-52784

CVE-2026-52784 (OpenProject) is a CSRF vulnerability in OpenProject’s web UI. The issue allows CSRF on a user-targeted action via POST to /users/:id with the parameter user[admin], enabling unauthorized state changes without user interaction. Affected software versions are prior to 17.3.3 and 17....

CVE-2026-52784

OpenProject is open-source, web-based project management software. Prior to 17.3.3 and 17.4.1, there is a CSRF on TARGET through /users/:id via POST parameter "useradmin". This vulnerability is fixed in 17.3.3 and 17.4.1...

CVE-2026-52785 OpenProject: SQL injection in timestamps functionality

OpenProject is open-source, web-based project management software. Prior to 17.3.3 and 17.4.1, there is a SQL injection in timestamps functionality. OpenProject baseline comparison allows callers to request historic work-package attributes using the timestamps parameter. This vulnerability is fix...