Severity:
HIGH RISK
(8.6)
SSRF via IPv4-mapped IPv6 (CWE-918) in Mastodon
CVE-2026-47389
Deferred
Vulnerability Type
Category:
Server-Side Request Forgery (SSRF)
CWE:
CWE-184;CWE-200;CWE-918
Impact:
Access to internal network resources and sensitive metadata via SSRF
Severity:
HIGH RISK
(8.6)
CVSS Version:
3.1
Catch This CVE While Code Is Being Written
Detect vulnerable code directly in pull requests, so CVEs are fixed before merge.
Summary
Affected Context
Exploit Preconditions
Why This Happens
Potential Impact
General Mitigation Guidance
How Teams Detect Issues Like This
Frequently Asked Questions
Source
NDV
[FAQ]
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