{"cve":{"cve_id":"CVE-2026-63686","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":0.00478,"epss_percentile":0.39768,"epss_as_of":"2026-10-15","description":"A NULL pointer dereference in mod_xml2enc in Apache Software Foundation Apache HTTP Server before 2.4.69 on all platforms allows an untrusted backend server to cause a denial of service via a proxied response with a charset whose conversion partially succeeds then fails.\n\nUsers are recommended to upgrade to version 2.4.69, which fixes this issue.","published_at":"2026-10-01T16:20:14.360000Z","last_modified_at":"2026-10-05T17:46:24.750000Z","cvss_v3_score":7.5,"cvss_v3_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cvss_v3_severity":"HIGH","cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":null,"ssvc_automatable":null,"ssvc_technical_impact":null,"cwes":["CWE-476"],"nvd_references":["https://httpd.apache.org/security/vulnerabilities_24.html"],"vuln_status":"Analyzed","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":"2026-10-01T17:38:54.199659Z","updated_at":"2026-10-06T20:44:52.853410Z"},"effective_severity":"HIGH","badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":"3.1","metrics":[{"metric":"AV","name":"Attack Vector","value":"N","value_label":"Network"},{"metric":"AC","name":"Attack Complexity","value":"L","value_label":"Low"},{"metric":"PR","name":"Privileges Required","value":"N","value_label":"None"},{"metric":"UI","name":"User Interaction","value":"N","value_label":"None"},{"metric":"S","name":"Scope","value":"U","value_label":"Unchanged"},{"metric":"C","name":"Confidentiality","value":"N","value_label":"None"},{"metric":"I","name":"Integrity","value":"N","value_label":"None"},{"metric":"A","name":"Availability","value":"H","value_label":"High"}]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"apache","vendor_name":"apache","product_slug":"http-server","product_name":"http_server","version_start":"2.4.0","version_start_inclusive":true,"version_end":"2.4.69","version_end_inclusive":false,"cpe23_uri":"cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*"},{"vendor_slug":"apache-software-foundation","vendor_name":"Apache Software Foundation","product_slug":"apache-http-server","product_name":"Apache HTTP Server","version_start":"2.4.0","version_start_inclusive":true,"version_end":"2.4.68","version_end_inclusive":true,"cpe23_uri":"cve5:apache-software-foundation:apache-http-server:2.4.0:2.4.68"}],"exploit_refs":[],"news":[],"references":[{"url":"https://httpd.apache.org/security/vulnerabilities_24.html","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2026-10-01T16:20:14.360000Z","label":"CVE published","source":null},{"type":"cvss_changed","at":"2026-10-01T21:38:54.189012Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-10-01T21:38:54.189012Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-10-01T21:38:54.189012Z","label":"CVSS score revised","source":"cvelistv5"}]}