PT-2026-3474 · Unknown · Openproject

Trongdaong24 · Published 2026-01-19 · Updated 2026-02-02 · CVE-2026-23721

Positive Technologies (AI Summary)

CVSS v3.1

4.3

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Name of the Vulnerable Software and Affected Versions OpenProject versions prior to 17.0.1 OpenProject versions prior to 16.6.5

Description OpenProject is a web-based project management software. A permission check failure in earlier versions allowed users with the 'View Members' permission in any project to list all groups and identify all members within those groups, bypassing intended access restrictions. The issue affects group member visibility within the application.

Recommendations Update to OpenProject version 17.0.1 or later. Update to OpenProject version 16.6.5 or later.

Exploit

Fix

Missing Authorization

Weakness Enumeration

CWE-862

Related Identifiers

CVE-2026-23721

GHSA-VJ77-WRC2-5H5H

Affected Products

Openproject

References · 7

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/23xxx/CVE-2026-23721.json · Exploit
• https://github.com/opf/openproject/security/advisories/GHSA-vj77-wrc2-5h5h · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2026-23721 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-23721 · Security Note
• https://twitter.com/VulmonFeeds/status/2013347347019731333 · Twitter Post
• https://twitter.com/CVEnew/status/2013316911136657430 · Twitter Post
• https://t.me/cveNotify/150645 · Telegram Post