{"schema":"threatline.record/2","record":{"id":"CVE-2026-42018","aliases":[],"summary":"JFrog Artifactory Improper Authentication Vulnerability","details":"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.","categories":["Applications & CMS"],"product":"Artifactory","vendor":"JFrog","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-42018","source_modified_at":"2026-10-01T18:06:26.138Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"artifactory","vendor":"jfrog","versions":[{"status":"affected","version":"0","lessThan":"7.111.20","versionType":"custom"},{"status":"affected","version":"7.117.0","lessThan":"7.117.27","versionType":"custom"},{"status":"affected","version":"7.125.0","lessThan":"7.125.19","versionType":"custom"},{"status":"affected","version":"7.133.0","lessThan":"7.133.28","versionType":"custom"},{"status":"affected","version":"7.146.0","lessThan":"7.146.8","versionType":"custom"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-42018","source_modified_at":"2026-10-01T18:06:26.138Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"artifactory","ecosystem":null},"version":"7.111.20","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-42018","source_modified_at":"2026-10-01T18:06:26.138Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"artifactory","ecosystem":null},"version":"7.117.27","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-42018","source_modified_at":"2026-10-01T18:06:26.138Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"artifactory","ecosystem":null},"version":"7.125.19","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-42018","source_modified_at":"2026-10-01T18:06:26.138Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"artifactory","ecosystem":null},"version":"7.133.28","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-42018","source_modified_at":"2026-10-01T18:06:26.138Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"artifactory","ecosystem":null},"version":"7.146.8","basis":"first unaffected version stated in the CVE record"}],"cvss":7.5,"severity":"High","kev":{"listed":true,"date_added":"2026-09-11","due_date":"2026-09-25","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.","ransomware_campaign_use":"Unknown"},"epss":{"probability":0.09805,"percentile":0.95546,"score_date":"2026-10-23"},"published_at":"2026-08-12T17:43:21.289Z","modified_at":"2026-10-01T18:06:26.138Z","provenance":[{"source":"CISA KEV","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23T17:00:09.9001Z"},{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-42018","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-01T18:06:26.138Z"},{"source":"Nuclei","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-42018.yaml","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":null},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-42018","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CISA KEV","CVE List","Nuclei","EPSS"],"references":[{"source":"CVE List","url":"https://docs.jfrog.com/releases/docs/jfrog-security-advisories","tags":["vendor-advisory"]},{"source":"CVE List","url":"https://docs.jfrog.com/releases/docs/artifactory-self-managed-releases","tags":["vendor-advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-42018","source":"CISA KEV"},{"source":"CVE List","url":"https://www.wiz.io/blog/artifactory-under-attack-in-the-wild-exploitation-of-cve-2026-42016-cve-2026-4201","tags":["third-party-advisory"]},{"source":"CVE List","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-42018","tags":["government-resource"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"active","automatable":"yes","technical_impact":"partial","assessed_at":"2026-10-01T18:06:12.895893Z"},"exploits":[{"source":"Nuclei","kind":"Scanner template","name":"JFrog Artifactory - Anonymous Token Disclosure via Trailing Slash Auth Bypass","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-42018.yaml"}],"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-01T18:06:26.138Z","content_hash":"280f87f4d616059961dfd25b29b023cb1279163538991a157690db6f72b4ca4d"}}