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Advisory record · GHSA-6ffg-mjg7-585x

Umbraco Allows Improper API Access Control to Low-Privilege Users to Data Type Functionality

CVSS 4.3 MediumEPSS 0.0032 · 25th percentile

Published by the GitHub Advisory Database at 11 Mar 2025, 15:27 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
Umbraco.Cms.Api.ManagementNuGet>=15.0.0-rc1, <15.2.3 || <14.3.315.2.3, 14.3.3
Identifiers
GHSA-6ffg-mjg7-585x · CVE-2025-27601
Weakness (CWE)
CWE-285 · CWE-863
Tags
Published
11 Mar 2025
Updated
12 Mar 2025

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

Umbraco.Cms.Api.Management versions before 14.3.3, and from 15.0.0-rc1 before 15.2.3, are affected. An authenticated user with low privileges can create and update data type information that should be limited to users with access to the settings section. Upgrade to 14.3.3 or 15.2.3. No workaround is listed.

Written 9 Nov 2026.

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

ScoreRatingCVSSVectorSource
4.3 Medium 3.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N CNA (GitHub_M)
  • CISA KEV Not listed.
  • EPSS 0.0032, the 25th percentile, on 11 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 11 Mar 2025, 07:43 UTC Published by the maintainers as a GitHub repository advisory
  2. 31 Oct 2026, 15:22 UTC First seen by agentprime
  3. 31 Oct 2026, 15:22 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.