{"cve":"CVE-2026-0672","nvd":{"published":"2026-01-20T22:15:52.680","modified":"2026-06-17T10:11:11.133","status":"Deferred","description":"When using http.cookies.Morsel, user-controlled cookie values and parameters can allow injecting HTTP headers into messages. Patch rejects all control characters within cookie names, values, and parameters.","cvss_v4":{"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N","score":6.0},"cvss_v3":null,"cwes":["CWE-93"],"references":["https://github.com/python/cpython/commit/62700107418eb2cca3fc88da036a243ea975f172","https://github.com/python/cpython/commit/712452e6f1d4b9f7f8c4c92ebfcaac1705faa440","https://github.com/python/cpython/commit/7852d72b653fea0199acf5fc2a84f6f8b84eba8d","https://github.com/python/cpython/commit/918387e4912d12ffc166c8f2a38df92b6ec756ca","https://github.com/python/cpython/commit/95746b3a13a985787ef53b977129041971ed7f70"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:21:16.563232421+00:00"},"epss":{"cve":"CVE-2026-0672","score":0.0048,"percentile":0.41438,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}