Threats Tagged 'cve-2026-55787'
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Threats Tagged 'cve-2026-55787'
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GHSA-794r-5rp2-fpg8: flyto-core has SSRF guard bypass via IPv6 transition addresses (IPv4-mapped / 6to4 / NAT64) in validate_url_ssrfCVE-2026-55787 0 flyto-core contains a Server-Side Request Forgery (SSRF) vulnerability in its URL validation logic that allows bypass of SSRF protections via IPv6 transition addresses embedding IPv4 or loopback addresses. The SSRF guard only checks native IPv4 private ranges and does not recognize IPv6 transition forms such as IPv4-mapped (::ffff:a.b.c.d), 6to4 (2002::/16), or NAT64 (64:ff9b::/96) addresses. This allows an authenticated workflow author to submit URLs that bypass the guard and trigger outbound HTTP requests to internal or metadata services, with the response body returned to the attacker. This vulnerability affects flyto-core versions prior to 2.26.3 and is classified as CWE-918. Join the discussion | GCVE Database | 07/06/2026, 17:30:34 UTC Added: 07/06/2026, 23:03:48 UTC |
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