PT-2026-23480 · Openproject · Openproject

Bruhbey · Published 2026-03-05 · Updated 2026-03-05 · CVE-2026-27723

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions OpenProject versions prior to 17.0.5 OpenProject versions prior to 17.1.2

Description OpenProject is a web-based project management software. An attacker can create wiki pages for projects they are not authorized to access by sending an improperly authenticated request.

Recommendations Update to OpenProject version 17.0.5 or later. Update to OpenProject version 17.1.2 or later.

Exploit

Fix

Improper Access Control

Weakness Enumeration

CWE-284

Related Identifiers

CVE-2026-27723

GHSA-9GC6-3XJQ-PWC9

Affected Products

Openproject

References · 8

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/27xxx/CVE-2026-27723.json · Exploit
• https://github.com/opf/openproject/security/advisories/GHSA-9gc6-3xjq-pwc9 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-27723 · Security Note
• https://osv.dev/vulnerability/CVE-2026-27723 · Vendor Advisory
• https://github.com/opf/openproject/releases/tag/v17.0.5 · Note
• https://github.com/opf/openproject/releases/tag/v17.1.2 · Note
• https://twitter.com/CVEnew/status/2029654722106269964 · Twitter Post
• https://t.me/CVEtracker/46472 · Telegram Post