CVE-2026-44731

MediumCVSS 4.3/10Last modified Oct 25, 2026

Description

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 accounts by probing user IDs and observing differences in the server response. This vulnerability is fixed in 17.3.2 and 17.4.0.

Metrics

CVSS 3.1 4.3/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Jun 26, 2026
Last modified
Oct 25, 2026
NVD status
Deferred

Related CVEs from 2026

CVE-2026-447324.3OpenProject is open-source, web-based project management software. Prior to 17.3.2 and 17.4.0, OpenProject exposes a document update endpoinCVE-2026-447335.9OpenProject is open-source, web-based project management software. Prior to 17.3.2 and 17.4.0, Business Logic Error on OpenProject through PCVE-2026-447346.5OpenProject is open-source, web-based project management software. Prior to 17.3.2 and 17.4.0, a Missing Authorization vulnerability exists CVE-2026-447356.5OpenProject is open-source, web-based project management software. Prior to 17.3.2 and 17.4.0, the GET /api/v3/shares endpoint returns shareCVE-2026-447366.5OpenProject is open-source, web-based project management software. Prior to 17.4.0, the GET /api/v3/relations endpoint allows any authenticaCVE-2026-447376.2grav-plugin-admin is the admin plugin for Grav is an HTML user interface that provides a convenient way to configure Grav and easily create CVE-2026-447387.7Grav is a file-based Web platform. Prior to 2.0.0-rc.2, the Twig sandbox allow-list permits any user with the admin.pages role to call confiCVE-2026-447398.7Pimcore is an Open Source Data & Experience Management Platform. Prior to 11.5.17 (LTS) and 12.3.6, the columnConfigAction endpoint in bundlCVE-2026-44746.1A flaw has been found in itsourcecode University Management System 1.0. Impacted is an unknown function of the file /admin_single_student_upCVE-2026-447406.5Billy is an interface filesystem abstraction for Go. Prior to versions 5.9.0 and 6.0.0-alpha.1, multiple components may improperly handle crCVE-2026-447418.8Pimcore's Admin Classic Bundle provides a Backend UI for Pimcore. Versions prior to 2.3.6 and 1.7.18 have a SQL injection vulnerability in PCVE-2026-447426.1Postorius through 1.3.13 does not escape HTML in the message subject when rendering it in the Held messages pop-up, as exploited in the wild
CVE-2026-44731: Medium severity, CVSS 4.3 | Vulnix