CVE-2026-27723 json
OpenProject: Insufficient access control leads to create Wiki objects belongs unpermitted projects
published 8mo ago modified 4mo ago also EUVD-2026-9846
- cvss
- 4.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 15%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- openproject openproject 17.0.5, 17.1.2
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Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 8mo ago
Exploit prediction
0.24% chance of exploitation in the next 30 days, higher than 15% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N |
| NVD | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
Affected products
- opf openproject
Classification
- Weakness
-
- CWE-284 Improper Access Control
References
-
github.com
/opf/openproject/security/advisories/GHSA-9gc6-3xjq-pwc9
vendor-advisory
-
github.com
/opf/openproject/releases/tag/v17.0.5
product, release-notes
-
github.com
/opf/openproject/releases/tag/v17.1.2
product, release-notes
Sources
- CVE List CVE-2026-27723
- NVD CVE-2026-27723
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.
CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.