🛡️ CVE-2024-43376 — umbraco-cms

🟡 CVSS 4.3 — Medium ✅ No Known Exploit CWE-209 NVD

4.3

CVSS Score

0 Low4 Medium7 High9 Critical10

Description

Umbraco CMS vulnerable to Generation of Error Message Containing Sensitive Information

Impact

Some endpoints in the Management API can return stack trace information, even when Umbraco is not in debug mode.

Explanation of the vulnerability

Management API endpoints leaked stack traces in case of Internal server errors, no matter if the debug setting was disabled.

E.g. when paging with negative numbers in some apis

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs low-level privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality low, integrity none, availability none.

Weakness class

CVE-2024-43376 is classified as CWE-209: Information Exposure Through an Error Message. Error output includes internal detail such as paths, queries or stack traces that assists an attacker.

Affected software

CVE-2024-43376 is recorded against 2 packages.

umbraco-cms (from 14.0.0 up to 14.1.2)
umbraco.cms.api.management (from 14.0.0 up to 14.1.2)

Timeline and source

Published on 20 August 2024 and last revised on 17 June 2026. No public exploit is currently recorded for this entry. A vendor advisory or fix has been published. Record sourced from NVD.

References

github.com
github.com

Details

Severity MEDIUM

CVSS Score 4.3

CVSS Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

CWE CWE-209

Public Exploit ✅ No

Source NVD

Published 2024-08-20

Updated 2026-08-12

Modified 2026-06-17

Fix URL https://github.com/umbraco/Umbraco-CMS/commit/b76070c794925932cb159ef50b851db6e966a004

Affected Packages

Software	From version	Fixed in
umbraco-cms	14.0.0	14.1.2
umbraco.cms.api.management	14.0.0	14.1.2

References

Patch https://github.com/umbraco/Umbraco-CMS/commit/b76070c794925932cb159ef50b851db6e966a004

Vendor Advisory https://github.com/umbraco/Umbraco-CMS/security/advisories/GHSA-77gj-crhp-3gvx

🔗 NVD 🔗 Mitre ✅ Fix / Advisory

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