CVE-2026-55190Published
Event Schedule Vulnerable to SSRF: isUrlSafe() bypassable via bracketed IPv6 literals (parse_url keeps the brackets so the IPv6 guard never matches) and a v4-only-resolver fail-open; reaches internal/localhost services on event import
Exact source revision recorded 23 Oct 2026 16:01:20 UTC. It does not establish the source's current position. Latest evidence.
Explicit identifiers and source references
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CVE-2026-55190 · Microsoft / collected KEV context
cve-program · CVE-2026-55190
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