CVE-2026-44731 OpenProject: Improper Access Control on OpenProject through /projects/[projectName]/meetings via "invited_user_id" in GET parameter "filters" leads to user names disclosure

OpenProject is open-source, web-based project management software. Prior to 17.3.2 and 17.4.0, the web application's meetings filter feature leaks whether a given user ID corresponds to a valid account and discloses the user's full name, allowing an attacker to enumerate all existing user account...

CVE-2026-44731

OpenProject contains an input leakage in the web application’s meetings filter feature that lets an attacker determine whether a user ID is valid and view the user’s full name, enabling enumeration of existing accounts. The issue occurs before versions 17.3.2 and 17.4.0 and is resolved by upgradi...

EUVD-2026-39860

OpenProject is open-source, web-based project management software. Prior to 17.3.2 and 17.4.0, the web application's meetings filter feature leaks whether a given user ID corresponds to a valid account and discloses the user's full name, allowing an attacker to enumerate all existing user account...

EUVD-2026-39882

OpenProject is open-source, web-based project management software. Prior to 17.3.2 and 17.4.0, OpenProject exposes a document update endpoint used to modify existing documents. The target document is loaded with visibility checks and then updated. During update, attacker-controlled attributes are...

CVE-2026-44732 OpenProject: IDOR on OpenProject through /api/v3/documents/{id} via PATCH parameter "project_id" leads to Unauthorized Modification of Resources

OpenProject is open-source, web-based project management software. Prior to 17.3.2 and 17.4.0, OpenProject exposes a document update endpoint used to modify existing documents. The target document is loaded with visibility checks and then updated. During update, attacker-controlled attributes are...

CVE-2026-44732

OpenProject is open-source, web-based project management software. Prior to 17.3.2 and 17.4.0, OpenProject exposes a document update endpoint used to modify existing documents. The target document is loaded with visibility checks and then updated. During update, attacker-controlled attributes are...

CVE-2026-44732 OpenProject: IDOR on OpenProject through /api/v3/documents/{id} via PATCH parameter "project_id" leads to Unauthorized Modification of Resources

OpenProject is open-source, web-based project management software. Prior to 17.3.2 and 17.4.0, OpenProject exposes a document update endpoint used to modify existing documents. The target document is loaded with visibility checks and then updated. During update, attacker-controlled attributes are...

CVE-2026-44732

OpenProject vulnerability CVE-2026-44732 affects the web-based project management tool prior to versions 17.3.2 and 17.4.0. The flaw occurs in the /api/v3/documents/{id} PATCH endpoint, where attacker-controlled attributes are applied to the persisted record before authorization checks, allowing ...

CVE-2026-44732

OpenProject is open-source, web-based project management software. Prior to 17.3.2 and 17.4.0, OpenProject exposes a document update endpoint used to modify existing documents. The target document is loaded with visibility checks and then updated. During update, attacker-controlled attributes are...

CVE-2026-44732 OpenProject: IDOR on OpenProject through /api/v3/documents/{id} via PATCH parameter "project_id" leads to Unauthorized Modification of Resources

OpenProject is open-source, web-based project management software. Prior to 17.3.2 and 17.4.0, OpenProject exposes a document update endpoint used to modify existing documents. The target document is loaded with visibility checks and then updated. During update, attacker-controlled attributes are...

CVE-2026-44734

OpenProject is open-source, web-based project management software. Prior to 17.3.2 and 17.4.0, a Missing Authorization vulnerability exists in OpenProject's CostReportsController. The rename and update actions allow any authenticated user to modify the name, filters, and grouping of any Public co...

CVE-2026-44734

CVE-2026-44734 affects OpenProject prior to 17.3.2 and 17.4.0. A Missing Authorization flaw in CostReportsController allows any authenticated user to rename/update public cost reports (name, filters, grouping) without ownership or permission checks. An attacker who guesses a public report ID can ...

CVE-2026-44734 OpenProject: Improper Access Control on OpenProject through the POST request to /projects/[PROJECT_NAME]/cost_reports/[REPORT_ID]/rename

OpenProject is open-source, web-based project management software. Prior to 17.3.2 and 17.4.0, a Missing Authorization vulnerability exists in OpenProject's CostReportsController. The rename and update actions allow any authenticated user to modify the name, filters, and grouping of any Public co...

CVE-2026-44734 OpenProject: Improper Access Control on OpenProject through the POST request to /projects/[PROJECT_NAME]/cost_reports/[REPORT_ID]/rename

OpenProject is open-source, web-based project management software. Prior to 17.3.2 and 17.4.0, a Missing Authorization vulnerability exists in OpenProject's CostReportsController. The rename and update actions allow any authenticated user to modify the name, filters, and grouping of any Public co...

CVE-2026-44735

OpenProject is open-source, web-based project management software. Prior to 17.3.2 and 17.4.0, the GET /api/v3/shares endpoint returns share details for ALL work packages in a project to any user with the viewsharedworkpackages permission. The authorization check operates at the project level onl...

EUVD-2026-39880

OpenProject is open-source, web-based project management software. Prior to 17.3.2 and 17.4.0, the GET /api/v3/shares endpoint returns share details for ALL work packages in a project to any user with the viewsharedworkpackages permission. The authorization check operates at the project level onl...

CVE-2026-44735 OpenProject: Shares API Information Disclosure

OpenProject is open-source, web-based project management software. Prior to 17.3.2 and 17.4.0, the GET /api/v3/shares endpoint returns share details for ALL work packages in a project to any user with the viewsharedworkpackages permission. The authorization check operates at the project level onl...

CVE-2026-44735

Technical details for CVE-2026-44735 are not publicly available in the provided documents. Monitor for updates.

CVE-2026-44735 OpenProject: Shares API Information Disclosure

OpenProject is open-source, web-based project management software. Prior to 17.3.2 and 17.4.0, the GET /api/v3/shares endpoint returns share details for ALL work packages in a project to any user with the viewsharedworkpackages permission. The authorization check operates at the project level onl...

CVE-2026-44735 OpenProject: Shares API Information Disclosure

OpenProject is open-source, web-based project management software. Prior to 17.3.2 and 17.4.0, the GET /api/v3/shares endpoint returns share details for ALL work packages in a project to any user with the viewsharedworkpackages permission. The authorization check operates at the project level onl...