Machine-written summary
Summary written by Claude Haiku from the source advisory. Not reviewed by a person.
Umbraco.CMS versions 14.0.0 up to but not including 14.3.0 are affected. A low-privilege user can access the webhook API and retrieve information that should be limited to users with access to the settings section. Upgrade Umbraco.CMS to 14.3.0 or later. The source lists a CVSS base score of 0.
Not analysed yet
We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.
Severity and exploitation
| Score | Rating | CVSS | Vector | Source |
|---|---|---|---|---|
| 0.0 | None | 3.1 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:N | CNA (GitHub_M) |
- CISA KEV Not listed.
- EPSS 0.0038, the 32nd percentile, on 11 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.
Timeline
- 22 Oct 2024, 08:03 UTC Published by the maintainers as a GitHub repository advisory
- 31 Oct 2026, 15:23 UTC First seen by agentprime
- 31 Oct 2026, 15:23 UTC Confirmed by OSV