Home/CVE/OpenProject is an open-source, web-based project management software. Prior to versions 17.0.5 and 17.1.2, an attacker c
CVE

CVE-2026-27723

OpenProject is an open-source, web-based project management software. Prior to versions 17.0.5 and 17.1.2, an attacker c

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.

MEDIUM · CVSS 4.3 EPSS 0.00043
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-284Improper Access Control
▤

Affected Products & Versions

2
openproject< 17.0.5
openproject>= 17.1.0 and < 17.1.2
▣

Scoring & Timeline

4.3
MEDIUM · CVSS v3.1 · security-advisories@github.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD05 Mar 2026 · 07:16 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/opf/openproject/releases/tag/v17.0.5ProductRelease Notes
https://github.com/opf/openproject/releases/tag/v17.1.2ProductRelease Notes
https://github.com/opf/openproject/security/advisories/GHSA-9gc6-3xjq-pwc9Vendor Advisory
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