{"cve":{"cve_id":"CVE-2026-42018","is_kev":true,"kev_date_added":"2026-09-11","kev_vendor_project":"JFrog","kev_product":"Artifactory","kev_vulnerability_name":"JFrog Artifactory Improper Authentication Vulnerability","kev_short_description":"JFrog Artifactory contains an improper authentication vulnerability that could return an internal anonymous-user token to an unauthenticated caller when anonymous access is disabled, potentially exposing sensitive resources.","kev_required_action":"Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.","kev_due_date":"2026-09-25","kev_known_ransomware":false,"kev_notes":"https://docs.jfrog.com/releases/docs/jfrog-security-advisories ; https://docs.jfrog.com/releases/docs/artifactory-self-managed-releases ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-42018","kev_cwes":["CWE-287"],"epss_score":0.0092,"epss_percentile":0.58393,"epss_as_of":"2026-09-15","description":"JFrog Artifactory could return an internal anonymous-user token to an unauthenticated caller when anonymous access is disabled, potentially exposing sensitive resources.","published_at":"2026-08-12T17:43:21.289000Z","last_modified_at":"2026-09-12T04:16:33.587000Z","cvss_v3_score":7.5,"cvss_v3_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","cvss_v3_severity":"HIGH","cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":"none","ssvc_automatable":true,"ssvc_technical_impact":"partial","cwes":["CWE-287"],"nvd_references":["https://docs.jfrog.com/releases/docs/jfrog-security-advisories","https://docs.jfrog.com/releases/docs/artifactory-self-managed-releases"],"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":"2026-08-12T18:20:52.864271Z","updated_at":"2026-09-12T23:39:39.811254Z"},"effective_severity":"HIGH","badges":["kev","poc"],"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":"H","value_label":"High"},{"metric":"I","name":"Integrity","value":"N","value_label":"None"},{"metric":"A","name":"Availability","value":"N","value_label":"None"}]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"jfrog","vendor_name":"jfrog","product_slug":"artifactory","product_name":"artifactory","version_start":"0","version_start_inclusive":true,"version_end":"7.146.8","version_end_inclusive":false,"cpe23_uri":"cve5:jfrog:artifactory:0:7.146.8"},{"vendor_slug":"jfrog","vendor_name":"jfrog","product_slug":"artifactory","product_name":"artifactory","version_start":"0","version_start_inclusive":true,"version_end":"7.111.20","version_end_inclusive":false,"cpe23_uri":"cve5:jfrog:artifactory:0:7.111.20"},{"vendor_slug":"jfrog","vendor_name":"jfrog","product_slug":"artifactory","product_name":"artifactory","version_start":"7.117.0","version_start_inclusive":true,"version_end":"7.117.27","version_end_inclusive":false,"cpe23_uri":"cve5:jfrog:artifactory:7.117.0:7.117.27"},{"vendor_slug":"jfrog","vendor_name":"jfrog","product_slug":"artifactory","product_name":"artifactory","version_start":"7.125.0","version_start_inclusive":true,"version_end":"7.125.19","version_end_inclusive":false,"cpe23_uri":"cve5:jfrog:artifactory:7.125.0:7.125.19"},{"vendor_slug":"jfrog","vendor_name":"jfrog","product_slug":"artifactory","product_name":"artifactory","version_start":"7.133.0","version_start_inclusive":true,"version_end":"7.133.28","version_end_inclusive":false,"cpe23_uri":"cve5:jfrog:artifactory:7.133.0:7.133.28"},{"vendor_slug":"jfrog","vendor_name":"jfrog","product_slug":"artifactory","product_name":"artifactory","version_start":"7.146.0","version_start_inclusive":true,"version_end":"7.146.8","version_end_inclusive":false,"cpe23_uri":"cve5:jfrog:artifactory:7.146.0:7.146.8"},{"vendor_slug":"jfrog","vendor_name":"jfrog","product_slug":"artifactory","product_name":"artifactory","version_start":null,"version_start_inclusive":null,"version_end":"7.111.20","version_end_inclusive":false,"cpe23_uri":"cpe:2.3:a:jfrog:artifactory:*:*:*:*:*:-:*:*"}],"exploit_refs":[{"source":"nuclei","kind":"nuclei","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-42018.yaml","title":"JFrog Artifactory - Anonymous Token Disclosure via Trailing Slash Auth Bypass","author":"theamanrawat","disclosed_at":null}],"news":[],"references":[{"url":"https://docs.jfrog.com/releases/docs/jfrog-security-advisories","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"https://docs.jfrog.com/releases/docs/artifactory-self-managed-releases","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2026-08-12T17:43:21.289000Z","label":"CVE published","source":null},{"type":"ssvc_changed","at":"2026-08-13T16:21:52.865932Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-08-13T16:21:52.865932Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-08-13T16:21:52.865932Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"cisa_reported","at":"2026-09-11T00:00:00Z","label":"Added to CISA KEV catalog","source":"kev"},{"type":"poc_available","at":"2026-09-18T12:23:33.418074Z","label":"Public PoC available","source":"nuclei"}]}