What’s Vulnerable › Vulnerabilities

CVE-2024-43376: Umbraco CMS vulnerable to Generation of Error Message Containing Sensitive Information

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-08-20 · updated 2026-06-17
• Weakness: CWE-209

Description

Umbraco is an ASP.NET CMS. Some endpoints in the Management API can return stack trace information, even when Umbraco is not in debug mode. This vulnerability is fixed in 14.1.2.

Affected products

• Umbraco-CMS: from 14.0.0 before 14.1.2 — fixed in 14.1.2

How to fix

Upgrade to a fixed version: Umbraco-CMS 14.1.2. Check the vendor advisory for mitigations.

References

• https://github.com/umbraco/Umbraco-CMS/commit/b76070c794925932cb159ef50b851db6e966a004
• https://github.com/umbraco/Umbraco-CMS/security/advisories/GHSA-77gj-crhp-3gvx

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