https://cve.radiocsirt.org/rss/recent/all/10 Most recent entries from all 2026-10-23T18:50:23.997130+00:00 Vulnerability-Lookup csirt@opendfir.org python-feedgen Contains only the most 10 recent entries. https://cve.radiocsirt.org/vuln/euvd-2026-198808 EUVD-2026-198808 2026-10-23T18:50:24.056121+00:00 EUVD-2026-198808 https://cve.radiocsirt.org/vuln/fkie_cve-2023-37267 fkie_cve-2023-37267 2026-10-23T18:50:24.056157+00:00

Umbraco is a ASP.NET CMS. Under rare conditions a restart of Umbraco can allow unauthorized users access to admin-level permissions. This vulnerability was patched in versions 10.6.1, 11.4.2 and 12.0.1.

 https://cve.radiocsirt.org/vuln/ghsa-h8wc-r4jh-mg7m GHSA-h8wc-r4jh-mg7m — Umbraco allows possible Admin-level access to backoffice without Auth under rare conditions 2026-10-23T18:50:24.056189+00:00

Affected: NuGet: Umbraco.Cms.Infrastructure, NuGet: Umbraco.Cms.Web.BackOffice

Under rare conditions, a restart of Umbraco can allow unauthorized users to gain admin-level permissions.

### Impact An unauthorized user gaining admin-level access and permissions to the backoffice.

### Patches 10.6.1, 11.4.2, 12.0.1

### Workarounds * Enabling the [Unattended Install](https://docs.umbraco.com/umbraco-cms/reference/configuration/unattendedsettings) feature will mean the vulnerability is not exploitable. * Enabling IP restrictions to `*/install/*` and `*/umbraco/*` will limit the exposure to allowed IP addresses.

 https://cve.radiocsirt.org/vuln/gsd-2023-37267 gsd-2023-37267 2026-10-23T18:50:24.056223+00:00 gsd-2023-37267