{"api_version":"1","generated_at":"2026-05-13T07:41:46+00:00","cve":"CVE-2026-43929","urls":{"html":"https://cve.report/CVE-2026-43929","api":"https://cve.report/api/cve/CVE-2026-43929.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-43929","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-43929"},"summary":{"title":"ssrfcheck: Server-Side Request Forgery (SSRF) and Incomplete List of Disallowed Inputs","description":"ssrfcheck is a library that checks if a string contains a potential SSRF attack. In 1.3.0 and earlier, ssrfcheck fails to block Server-Side Request Forgery attacks when the target private IP address is encoded as an IPv4-mapped IPv6 address (e.g. http://[::ffff:127.0.0.1]/). The WHATWG URL parser built into Node.js silently normalizes the IPv4 notation inside the brackets to compressed hex form ([::ffff:7f00:1]) before the library's private-IP regex ever runs. 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