CVE-2025-27602

What it is

Umbraco is a free and open source .NET content management system. In versions of Umbraco's web backoffice program prior to versions 10.8.9 and 13.7.1, via manipulation of backoffice API URLs, it's possible for authenticated backoffice users to retrieve or delete content or media held within folders the editor does not have access to. The issue is patched in versions 10.8.9 and 13.7.1. No known workarounds are available.

At a glance

Exploitability

Can be exploited over the network with a low-privilege account. Limited direct impact.

Exploit odds

0.3% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2025-03-11 16:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-17 09:03 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 0.3% in the next 30 days (EPSS).
• Severity: 4.9 MEDIUM (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2025-03-11 16:15 UTC

Last modified

2026-06-17 09:03 UTC

Exploit probability

0.3% · EPSS, next 30 days

Weakness

CWE-285

Record status

Analyzed

Affected

• Umbraco Cms < 10.8.9
• Umbraco Cms < 13.7.1

Attack profile CVSS 3.1 · 4.9

Attack vector

Network

Complexity

High

Privileges needed

Low

User interaction

None

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2025-27602.md and follow it. Check whether this project is affected by CVE-2025-27602. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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