Vulnerabilities & PatchesEmerging1 src
CVE-2026-73297 - Microsoft UFO: IPv6 transition address bypass of SSRF guard in URL validation
CVE ID : CVE-2026-73297
Published : Aug. 12, 2026, 4:31 p. m.
• 33 minutes ago
Description : Microsoft UFO open-source framework for intelligent automation across devices and platforms. Prior to 3. 0. 8, _is_blocked_ip in ufo/utils/url_security.
py did not block NAT64 prefixes 64:ff9b::/96 and 64:ff9b:1::/48, the 6to4 prefix 2002::/16, or the Teredo prefix 2001::/32 and did not re-check embedded IPv4 destinations, allowing an unauthenticated remote attacker who can influence URLs processed by validate_url to bypass the SSRF guard and reach cloud metadata, internal services, or localhost. This issue is fixed in version 3. 0. 8.
Severity: 0.0
• NA
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