CVE-2026-27723

low-risk
Published 2026-03-05

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.

Do I need to act?

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0.04% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
4
CVSS 4.3/10 Medium
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Openproject

References (3)

Product https://github.com/opf/openproject/releases/tag/v17.0.5
Product https://github.com/opf/openproject/releases/tag/v17.1.2
Vendor Advisory https://github.com/opf/openproject/security/advisories/GHSA-9gc6-3xjq-pwc9
23
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal