{"cve":{"cve_id":"CVE-2026-0864","is_kev":false,"kev_date_added":null,"kev_vendor_project":null,"kev_product":null,"kev_vulnerability_name":null,"kev_short_description":null,"kev_required_action":null,"kev_due_date":null,"kev_known_ransomware":null,"kev_notes":null,"kev_cwes":null,"epss_score":null,"epss_percentile":null,"epss_as_of":null,"description":"When using the \"configparser\" module to write configuration files\ncontaining multi-line text values with carriage return characters (\\r) the\nresulting file could be injected with unexpected keys and values if the\nattacker controls the written value.","published_at":"2026-06-23T17:42:01.947000Z","last_modified_at":null,"cvss_v3_score":null,"cvss_v3_vector":null,"cvss_v3_severity":null,"cvss_v4_score":4.1,"cvss_v4_vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N","cvss_v4_severity":"MEDIUM","ssvc_decision":null,"ssvc_exploitation":null,"ssvc_automatable":null,"ssvc_technical_impact":null,"cwes":["CWE-74"],"nvd_references":["https://github.com/python/cpython/pull/151559","https://mail.python.org/archives/list/security-announce@python.org/thread/CV4NE6AFCRJL7XQOHX7J5TSDHUWVWGJS/","https://github.com/python/cpython/issues/143927","https://github.com/python/cpython/commit/5858e42c539dac8394636a6e9b30472b8994851f","https://github.com/python/cpython/commit/0adb386f6e68eb2e73d32e19f235d012df009528","https://github.com/python/cpython/commit/71f2e02a52d47417a6fd69f456346cd8aa7aca98","https://github.com/python/cpython/commit/aaf850fd333cd89e9aada03d92aaa788a6cb1bb8"],"vuln_status":null,"trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-06-28T17:50:21.811688Z","updated_at":"2026-06-28T23:28:48.137961Z"},"effective_severity":"MEDIUM","badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":null,"metrics":[]},"cvss_v4_decoded":{"version":"4.0","metrics":[{"metric":"AV","name":"Attack Vector","value":"L","value_label":"Local"},{"metric":"AC","name":"Attack Complexity","value":"L","value_label":"Low"},{"metric":"AT","name":"Attack Requirements","value":"P","value_label":"Present"},{"metric":"PR","name":"Privileges Required","value":"H","value_label":"High"},{"metric":"UI","name":"User Interaction","value":"P","value_label":"Passive"},{"metric":"VC","name":"Confidentiality (Vulnerable System)","value":"N","value_label":"None"},{"metric":"VI","name":"Integrity (Vulnerable System)","value":"H","value_label":"High"},{"metric":"VA","name":"Availability (Vulnerable System)","value":"N","value_label":"None"},{"metric":"SC","name":"Confidentiality (Subsequent System)","value":"N","value_label":"None"},{"metric":"SI","name":"Integrity (Subsequent System)","value":"N","value_label":"None"},{"metric":"SA","name":"Availability (Subsequent System)","value":"N","value_label":"None"}]},"affected":[{"vendor_slug":"python-software-foundation","vendor_name":"Python Software Foundation","product_slug":"cpython","product_name":"CPython","version_start":"0","version_start_inclusive":true,"version_end":"3.15.0","version_end_inclusive":false,"cpe23_uri":"cve5:python-software-foundation:cpython:0:3.15.0"}],"exploit_refs":[],"news":[],"references":[{"url":"https://github.com/python/cpython/pull/151559","source_type":"PATCH","tags":["patch"]},{"url":"https://mail.python.org/archives/list/security-announce@python.org/thread/CV4NE6AFCRJL7XQOHX7J5TSDHUWVWGJS/","source_type":"MISC","tags":[]},{"url":"https://github.com/python/cpython/issues/143927","source_type":"MISC","tags":[]},{"url":"https://github.com/python/cpython/commit/5858e42c539dac8394636a6e9b30472b8994851f","source_type":"PATCH","tags":["patch"]},{"url":"https://github.com/python/cpython/commit/0adb386f6e68eb2e73d32e19f235d012df009528","source_type":"PATCH","tags":["patch"]},{"url":"https://github.com/python/cpython/commit/71f2e02a52d47417a6fd69f456346cd8aa7aca98","source_type":"PATCH","tags":["patch"]},{"url":"https://github.com/python/cpython/commit/aaf850fd333cd89e9aada03d92aaa788a6cb1bb8","source_type":"PATCH","tags":["patch"]}],"timeline":[{"type":"published","at":"2026-06-23T17:42:01.947000Z","label":"CVE published","source":null}]}