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{"bugzilla": {"description": "cpp-httplib: cpp-httplib: Server-Side Request Forgery via header injection", "id": "2426666", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2426666"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.7", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N", "status": "draft"}, "cwe": "CWE-93", "details": ["No description is available for this CVE."], "name": "CVE-2026-21428", "public_date": "2026-01-01T17:54:43Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-21428\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-21428\nhttps://github.com/yhirose/cpp-httplib/commit/98048a033a532ff22320ce1d11789f8d5710dfcd\nhttps://github.com/yhirose/cpp-httplib/releases/tag/v0.30.0\nhttps://github.com/yhirose/cpp-httplib/security/advisories/GHSA-wpc6-j37r-jcx7"], "statement": "This vulnerability is rated IMPORTANT as it allows remote attackers to perform Server-Side Request Forgery attacks to locations outside the scope of cpp-httplib by injecting carriage return and line feed characters into user-supplied headers. This affects applications utilizing the `cpp-httplib` library in Red Hat Community Projects such as Fedora and EPEL, where the library is used to process untrusted HTTP headers.", "threat_severity": "Important"}

{"created": "2026-01-05T10:14:45.053663+00:00", "updated": "2026-01-05T10:14:45.053685+00:00", "vendors": ["yhirose", "yhirose$PRODUCT$cpp-httplib"]}