{"cve":{"cve_id":"CVE-2026-70426","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":0.00313,"epss_percentile":0.23547,"epss_as_of":"2026-08-28","description":"In Remoting 3384.v60d89463d9e0 and earlier, except 3355.3357.v931d3c992987, included in Jenkins 2.575 and earlier, LTS 2.568.1 and earlier, the JEP-200 class filter is not applied to classes resolved via a fallback path in the Remoting deserialization implementation, allowing agent processes, code running on agents, and attackers with Agent/Connect permission to bypass the JEP-200 deserialization filter for classes on the Jenkins core classpath.","published_at":"2026-08-05T17:40:27.071000Z","last_modified_at":"2026-08-06T05:17:05.850000Z","cvss_v3_score":9.0,"cvss_v3_vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","cvss_v3_severity":"CRITICAL","cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":"none","ssvc_automatable":false,"ssvc_technical_impact":"total","cwes":["CWE-502"],"nvd_references":["https://www.jenkins.io/security/advisory/2026-08-05/#SECURITY-3911"],"vuln_status":"Received","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":"2026-08-05T19:41:38.291593Z","updated_at":"2026-08-06T20:16:20.006012Z"},"effective_severity":"CRITICAL","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":"H","value_label":"High"},{"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":"C","value_label":"Changed"},{"metric":"C","name":"Confidentiality","value":"H","value_label":"High"},{"metric":"I","name":"Integrity","value":"H","value_label":"High"},{"metric":"A","name":"Availability","value":"H","value_label":"High"}]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"jenkins-project","vendor_name":"Jenkins Project","product_slug":"jenkins","product_name":"Jenkins","version_start":"2.576","version_start_inclusive":true,"version_end":"*","version_end_inclusive":false,"cpe23_uri":"cve5:jenkins-project:jenkins:2.576:*"},{"vendor_slug":"jenkins-project","vendor_name":"Jenkins Project","product_slug":"jenkins","product_name":"Jenkins","version_start":"2.568.2","version_start_inclusive":true,"version_end":"2.568.*","version_end_inclusive":false,"cpe23_uri":"cve5:jenkins-project:jenkins:2.568.2:2.568.*"},{"vendor_slug":"jenkins-project","vendor_name":"Jenkins Project","product_slug":"remoting","product_name":"Remoting","version_start":"3385.vf1123fb_515da_","version_start_inclusive":true,"version_end":"*","version_end_inclusive":false,"cpe23_uri":"cve5:jenkins-project:remoting:3385.vf1123fb_515da_:*"},{"vendor_slug":"jenkins-project","vendor_name":"Jenkins Project","product_slug":"remoting","product_name":"Remoting","version_start":"3355.3357.v931d3c992987","version_start_inclusive":true,"version_end":"3355.*","version_end_inclusive":false,"cpe23_uri":"cve5:jenkins-project:remoting:3355.3357.v931d3c992987:3355.*"}],"exploit_refs":[],"news":[],"references":[{"url":"https://www.jenkins.io/security/advisory/2026-08-05/#SECURITY-3911","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2026-08-05T17:40:27.071000Z","label":"CVE published","source":null}]}