CVE-2026-27723

Name: CVE-2026-27723
Creator: NVD / NIST
Published: 2026-03-05T19:16:05.66+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 0.21%

Last modified Jun 17, 2026

CVE-2026-27723 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. OpenProject is an open-source, web-based project management software. Prior to versions 17.0.5 and 17.1.2, an attacker can create wiki pages belonging to unpermitted projects through an improperly authenticated request. EPSS estimates a 0.21% chance of exploitation in the next 30 days.

Description

OpenProject is an open-source, web-based project management software. Prior to versions 17.0.5 and 17.1.2, an attacker can create wiki pages belonging to unpermitted projects through an improperly authenticated request. This issue has been patched in versions 17.0.5 and 17.1.2.

Metrics

CVSS 3.1

5.3/10

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

EPSS Probability

0.21%

11.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-284

Affected Software

Vendor	Product	Versions
Openproject	Openproject	< 17.0.5
Openproject	Openproject	>= 17.1.0, < 17.1.2

References

https://github.com/opf/openproject/releases/tag/v17.0.5Product, Release Notes
https://github.com/opf/openproject/releases/tag/v17.1.2Product, Release Notes
https://github.com/opf/openproject/security/advisories/GHSA-9gc6-3xjq-pwc9Vendor Advisory

Timeline

Published: Mar 5, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-27723?

How severe is CVE-2026-27723?

CVE-2026-27723 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.21% probability of exploitation in the next 30 days.

How do I fix CVE-2026-27723?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-27723?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST