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CVE-2021-47776: Server-Side Request Forgery (SSRF)

🗓️ 15 Jan 2026 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com👁 4 Views

SSRF in Umbraco CMS v8.14.1 allows unauthorized server-side requests via baseUrl.

Related
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2021-47776
15 Jan 202615:52
–attackerkb
circl
Circl
CVE-2021-47776
24 Jan 202621:24
–circl
cnnvd
CNNVD
Umbraco CMS code-related vulnerabilities
15 Jan 202600:00
–cnnvd
cve
CVE
CVE-2021-47776
15 Jan 202615:52
–cve
cvelist
Cvelist
CVE-2021-47776 Umbraco v8.14.1 - 'baseUrl' SSRF
15 Jan 202615:52
–cvelist
euvd
EUVD
EUVD-2026-2753
15 Jan 202615:52
–euvd
github
Github Security Blog
Umbraco CMS contains a server-side request forgery vulnerability
15 Jan 202618:31
–github
mend
Mend
CVE-2021-47776
15 Jan 202615:52
–mend
nvd
NVD
CVE-2021-47776
15 Jan 202616:16
–nvd
osv_ghsa
osv_ghsa
GHSA-H66J-XM43-47PP Umbraco CMS contains a server-side request forgery vulnerability
15 Jan 202618:31
–osv_ghsa
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08 Oct 2026 00:00Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.15.3
CVSS 46.9
EPSS0.0038
SSVC
4