Umbraco CMS vulnerable to Generation of Error Message Containing Sensitive Information
Priority LOW 24CWE-209Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-209.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00363 30th percentileScored 2026-11-07
Fix Fixed Umbraco-CMS (umbraco): 14.1.2Umbraco.Cms.Api.Management (NuGet): 14.1.2
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| umbraco | Umbraco-CMS | 14.0.0 to before 14.1.2 | 14.1.2 | Patch available | CNA |
| — | Umbraco.Cms.Api.Management (NuGet) | 14.0.0 to before 14.1.2 | 14.1.2 | Patch available | GHSA-77gj-crhp-3gvx |
- Umbraco-CMS Vendorumbraco Affected 14.0.0 to before 14.1.2 Fixed in 14.1.2 Patch available CNA
- Umbraco.Cms.Api.Management (NuGet) Vendor— Affected 14.0.0 to before 14.1.2 Fixed in 14.1.2 Patch available GHSA-77gj-crhp-3gvx
Remediation
- Fix · CNA Umbraco-CMS (umbraco) Fixed in 14.1.2
- Fix · GHSA-77gj-crhp-3gvx Umbraco.Cms.Api.Management (NuGet) Fixed in 14.1.2 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2024-43376
- 2026-10-03 Alias added: GHSA-77gj-crhp-3gvx
References
More Umbraco Cms vulnerabilities
- TI-2025-41183 An arbitrary file upload vulnerability in Umbraco CMS v16.3.3 allows attackers to execute… CVSS 3.1CRITICAL 10.0
- TI-2012-05477 Umbraco CMS < 4.7.1 codeEditorSave.asmx RCE CVSS 4.0CRITICAL 9.3
- TI-2021-22392 Umbraco v8.14.1 - 'baseUrl' SSRF CVSS 4.0MEDIUM 6.9
- TI-2024-36846 A stored cross-site scripting (XSS) vulnerability in Umbraco CMS v14.3.1 allows attackers… CVSS 3.1MEDIUM 6.5
- TI-2019-15240 Umbraco CMS 4.11.8 through 7.15.10, and 7.12.4, allows Remote Code Execution by… CVSS 3.1HIGH 7.2
- TI-2020-04738 Cross-site scripting in Umbraco CMS CVSS 3.1MEDIUM 5.4
Sources
- CVE-2024-43376 · CVE Program
- CVE-2024-43376 · NVD
- FIRST EPSS
- GHSA-77gj-crhp-3gvx · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences