Threats Tagged 'ghsa-m5x5-28jr-gpjj'
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Threats Tagged 'ghsa-m5x5-28jr-gpjj'
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GHSA-m5x5-28jr-gpjj: pyLoad: SSRF guard bypass via IPv6 6to4/NAT64 transition wrappers of internal IPsCVE-2026-48737 0 pyload-ng contains a Server-Side Request Forgery (SSRF) vulnerability due to improper validation of IPv6 6to4 and NAT64 transition addresses. The vulnerability arises because the function is_global_address relies on Python's ipaddress.ip_address(value).is_global property, which incorrectly classifies certain IPv6 transition prefixes as globally routable. This allows attackers to bypass SSRF protections and reach internal IPv4 endpoints embedded within these IPv6 addresses. Exploitation requires network conditions that route 6to4 or NAT64 traffic and privileges to add links in pyload-ng. The vulnerability is rated medium severity with a CVSS score of 4.7. Join the discussion | GCVE Database | 07/09/2026, 13:35:22 UTC Added: 07/09/2026, 14:01:05 UTC |
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