CVE-2025-32017 is a high-severity path traversal vulnerability in Umbraco.Cms (nuget), affecting versions >= 14.0.0--preview004, < 14.3.4. It is fixed in 14.3.4, 15.3.1.
Impact Authenticated users to the Umbraco backoffice are able to craft management API request that exploit a path traversal vulnerability to upload files into a incorrect location. Patches The issue affects Umbraco 14+ and is patched in 14.3.4 and 15.3.1. Workarounds Umbraco supports the configuration of allowed and disallowed file extensions. Using these options to allow only necessary file extensions significantly reduces the scope of the vulnerability.
Input manipulates file paths to reach files outside the intended directory, such as configuration or credential files. Typical impact: unauthorized file read or write outside the intended directory.
CVE-2025-32017 has a CVSS score of 8.8 (High). The vector is network-reachable, low privileges required, and no user interaction. A CVSS score reflects the worst-case severity of the vulnerability, not your specific exposure. Whether this affects your application depends on whether the vulnerable code is present and reachable in your environment.
A fixed version is available (14.3.4, 15.3.1). Upgrading removes the vulnerable code path.
nuget
Umbraco.Cms (>= 14.0.0--preview004, < 14.3.4)Umbraco.Cms (>= 15.0.0-rc1, < 15.3.1)Umbraco.Cms → 14.3.4 (nuget)Umbraco.Cms → 15.3.1 (nuget)Severity tells you how bad this could be in the worst case. It does not tell you whether you are exposed. Exploitability and impact are functions of runtime truth: whether the vulnerable code is present, reachable, and actually executes in your application. A vulnerable package can sit in your dependency tree and never run.
Kodem, an Intelligent Application Security platform, uses runtime intelligence to reveal which vulnerabilities actually execute in production, so teams prioritize the ones that genuinely matter instead of chasing every advisory.
Kodem's runtime-powered SCA identifies whether CVE-2025-32017 is reachable in your applications. Explore open-source security for your team.
See if CVE-2025-32017 is reachable in your applications. Get a demo
Upgrade the following packages to resolve this vulnerability:
Umbraco.Cms to 14.3.4 or laterUmbraco.Cms to 15.3.1 or laterKodem Kai can prioritize this vulnerability in your dependency tree and generate a fix recommendation.
CVE-2025-32017 is a high-severity path traversal vulnerability in Umbraco.Cms (nuget), affecting versions >= 14.0.0--preview004, < 14.3.4. It is fixed in 14.3.4, 15.3.1. Input manipulates file paths to reach files outside the intended directory, such as configuration or credential files.
CVE-2025-32017 has a CVSS score of 8.8 (High). This score reflects the worst-case severity of the vulnerability, not your specific exposure. Whether it represents real risk in your environment depends on whether the vulnerable code is present and reachable.
Umbraco.Cms (nuget) versions >= 14.0.0--preview004, < 14.3.4 is affected.
Yes. CVE-2025-32017 is fixed in 14.3.4, 15.3.1. Upgrade to this version or later.
Whether CVE-2025-32017 is exploitable in your environment depends on whether the vulnerable code is present and reachable. A CVSS score is a worst-case rating; it does not account for your specific deployment, configuration, or usage patterns. Kodem, an Intelligent Application Security platform, uses runtime intelligence to show which vulnerabilities actually execute in production, so you can focus on the ones that represent real risk. Get a demo
Exploitability and impact are not fixed properties of a CVE. They depend on runtime truth: whether the vulnerable code is present, reachable, and actually executes in your application. A high CVSS score on a dependency that never runs is not the same as real risk. Kodem, an Intelligent Application Security platform, uses runtime intelligence to reveal which vulnerabilities actually execute in production, so teams prioritize the ones that genuinely matter.
Umbraco.Cms to 14.3.4 or laterUmbraco.Cms to 15.3.1 or later