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Craft CMS: Cloud Metadata SSRF Protection Bypass via IPv6 Resolution

🗓️ 24 Feb 2026 15:51:07Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 4 Views

Craft CMS SSRF bypass when a host has only IPv six records; gethostbyname returns the hostname and bypasses the blocklist.

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24 Feb 2026 15:51Current
6.1Medium risk
Vulners AI Score6.1
CVSS 3.16.5
CVSS 47.1
EPSS0.00011
SSVC
4