PT-2026-2222 · Openproject · Openproject

Lowoliverguenther · Published 2026-01-10 · Updated 2026-01-12 · CVE-2026-22602

Positive Technologies (AI Summary)

CVSS v3.1

3.5

Low

Base vector

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

Name of the Vulnerable Software and Affected Versions OpenProject versions prior to 16.6.2

Description OpenProject is a web-based project management software. A user with low privileges can view the full names of other users. User IDs are assigned sequentially, allowing an attacker to extract a complete list of all users’ full names by iterating through URLs. This behavior can also be reproduced via the OpenProject API, enabling automated retrieval of full names through the API. The API endpoint allows for automated retrieval of full names. The vulnerable parameter is user id.

Recommendations Upgrade to OpenProject version 16.6.2 or later. If upgrading is not possible, apply the patch manually.

Exploit

Fix

Information Disclosure

Weakness Enumeration

CWE-200

Related Identifiers

CVE-2026-22602

GHSA-7FVX-9H6H-G82J

Affected Products

Openproject

References · 12

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/22xxx/CVE-2026-22602.json · Exploit
• https://github.com/opf/openproject/commit/fb39a779f521d9b08f1e0c9e8aff2b6d4643ea37 · Patch
• https://github.com/opf/openproject/security/advisories/GHSA-7fvx-9h6h-g82j · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2026-22602 · Security Note
• https://osv.dev/vulnerability/CVE-2026-22602 · Vendor Advisory
• https://github.com/opf/openproject/pull/21281 · Note
• https://github.com/opf/openproject/releases/tag/v16.6.2 · Note
• https://twitter.com/CVEnew/status/2009846294987321727 · Twitter Post
• https://t.me/CVEtracker/41898 · Telegram Post
• https://t.me/cveNotify/148329 · Telegram Post
• https://twitter.com/MantodeaSec/status/2010751620565647557 · Twitter Post
• https://twitter.com/VulmonFeeds/status/2009946072978792704 · Twitter Post