{"cve":"CVE-2025-15282","nvd":{"published":"2026-01-20T22:15:50.883","modified":"2026-06-17T08:37:31.580","status":"Deferred","description":"User-controlled data URLs parsed by urllib.request.DataHandler allow injecting headers through newlines in the data URL mediatype.","cvss_v4":{"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:L/SA:N","score":6.0},"cvss_v3":null,"cwes":["CWE-93"],"references":["https://github.com/python/cpython/commit/05356b1cc153108aaf27f3b72ce438af4aa218c0","https://github.com/python/cpython/commit/34d76b00dabde81a793bd06dd8ecb057838c4b38","https://github.com/python/cpython/commit/3f396ca9d7bbe2a50ea6b8c9b27c0082884d9f80","https://github.com/python/cpython/commit/4ed11d3cd288e6b90196a15c5a825a45d318fe47","https://github.com/python/cpython/commit/a35ca3be5842505dab74dc0b90b89cde0405017a"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:21:16.563232421+00:00"},"epss":{"cve":"CVE-2025-15282","score":0.00537,"percentile":0.45286,"date":"2026-11-01"},"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."]}