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CVE-2025-32017

Umbraco has a Management API Vulnerability to Path Traversal With Authenticated Users

HIGH
8.8
CVSS Score
Published: April 8, 2025 at 03:37 PM UTC
Updated: June 17, 2026 at 09:11 AM UTC
1 product affected across 1 vendorUmbraco-CMS

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Severity
HIGH8.8
Exploit prediction
EPSS 0.6%
SSVC
No known exploit

Description

Umbraco is a free and open source .NET content management system. 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. The issue affects Umbraco 14+ and is patched in 14.3.4 and 15.3.1.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Umbraco-CMS· Umbraco
95%
v < 14.3.4v < 15.3.114.0.0 ≤ v < 14.3.415.0.0 ≤ v < 15.3.1
Affected range stops below 14.3.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 15.3.1, so it looks safe — our inference, not a vendor statement

References (3)

x_refsource_MISCPatch
Source: [email protected]
https://github.com/umbraco/Umbraco-CMS/commit/06a2a500b358ce15b1e228391eb60bd517c6e833
x_refsource_MISCPatch
Source: [email protected]
https://github.com/umbraco/Umbraco-CMS/commit/d3c1443b14b1076faf13d1bcecc42860fdf5fad8
x_refsource_CONFIRMPatchThird Party Advisory
Source: [email protected]
https://github.com/umbraco/Umbraco-CMS/security/advisories/GHSA-q62r-8ppj-xvf4

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGHGitHub_M
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-23

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