Backoffice User can bypass "Publish" restriction
Impact
Backoffice users with send for approval permission but not publish permission are able to publish in some scenarios.
Explanation of the vulnerability
Backoffice users without permission to publish content, but only to send for approval, can bypass the restriction by modifying the request body of the "Send for Approval" request.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| .NET (NuGet) | Umbraco.CMS | >= 8.0.0, < 8.18.10, >= 9.0.0, < 10.8.0, >= 11.0.0, < 12.3.0 | 8.18.10, 10.8.0, 12.3.0 |
References
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:N- Weakness (CWE)
CWE-863- Platform
- .NET (NuGet)
- Package
Umbraco.CMS- Disclosed
- 13.12.2023
- Updated
- 11.10.2026 11:23
Sources and licenses
OSV / GitHub Advisory Database - GHSA-335x-5wcm-8jv2 - CC BY 4.0
Vulnerability history: Umbraco.CMS
All published vulnerabilities of this package (.NET (NuGet)), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 29
- First → latest
- 05.2022 09.2026
- Without a fix
- 1
- Exploited in attacks
- 0
Severity breakdown
- High 5
- Medium 17
- Low 7
Disclosures per year
- 2022: 2
- 2023: 8
- 2024: 5
- 2025: 8
- 2026: 6
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Backoffice User can bypass "Publish" restriction this entry
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