{"schema":"threatline.record/2","record":{"id":"CVE-2026-0257","aliases":[],"summary":"Palo Alto Networks PAN-OS Authentication Bypass Vulnerability","details":"Palo Alto Networks PAN-OS contains an authentication bypass vulnerability that allows attackers to bypass security restrictions and establish an unauthorized VPN connection.","categories":["Network & edge"],"product":"PAN-OS","vendor":"Palo Alto Networks","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-0257","source_modified_at":"2026-10-15T01:11:26.182Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Cloud NGFW","vendor":"Palo Alto Networks","versions":[{"status":"unaffected","version":"All","versionType":"custom"}],"defaultStatus":"unaffected"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-0257","source_modified_at":"2026-10-15T01:11:26.182Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"PAN-OS","vendor":"Palo Alto Networks","versions":[{"status":"affected","version":"12.1.0","lessThan":"12.1.7, 12.1.4-h6","changes":[{"at":"12.1.7","status":"unaffected"},{"at":"12.1.4-h6","status":"unaffected"}],"versionType":"custom"},{"status":"affected","version":"11.2.0","lessThan":"11.2.12, 11.2.10-h7, 11.2.7-h14, 11.2.4-h17","changes":[{"at":"11.2.12","status":"unaffected"},{"at":"11.2.10-h7","status":"unaffected"},{"at":"11.2.7-h14","status":"unaffected"},{"at":"11.2.4-h17","status":"unaffected"}],"versionType":"custom"},{"status":"affected","version":"11.1.0","lessThan":"11.1.15, 11.1.13-h5, 11.1.10-h25, 11.1.7-h6, 11.1.6-h32, 11.1.4-h33","changes":[{"at":"11.1.15","status":"unaffected"},{"at":"11.1.13-h5","status":"unaffected"},{"at":"11.1.10-h25","status":"unaffected"},{"at":"11.1.7-h6","status":"unaffected"},{"at":"11.1.6-h32","status":"unaffected"},{"at":"11.1.4-h33","status":"unaffected"}],"versionType":"custom"},{"status":"affected","version":"10.2.0","lessThan":"10.2.18-h6, 10.2.16-h7, 10.2.13-h21, 10.2.10-h36, 10.2.7-h34","changes":[{"at":"10.2.18-h6","status":"unaffected"},{"at":"10.2.16-h7","status":"unaffected"},{"at":"10.2.13-h21","status":"unaffected"},{"at":"10.2.10-h36","status":"unaffected"},{"at":"10.2.7-h34","status":"unaffected"}],"versionType":"custom"}],"defaultStatus":"unaffected"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-0257","source_modified_at":"2026-10-15T01:11:26.182Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Prisma Access","vendor":"Palo Alto Networks","versions":[{"status":"affected","version":"10.2.0","lessThan":"10.2.10-h36","changes":[{"at":"10.2.10-h36","status":"unaffected"}],"versionType":"custom"},{"status":"affected","version":"11.2.0","lessThan":"11.2.7-h13","changes":[{"at":"11.2.7-h13","status":"unaffected"}],"versionType":"custom"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-0257","source_modified_at":"2026-10-15T01:11:26.182Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"PAN-OS","ecosystem":null},"version":"12.1.7, 12.1.4-h6","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-0257","source_modified_at":"2026-10-15T01:11:26.182Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"PAN-OS","ecosystem":null},"version":"11.2.12, 11.2.10-h7, 11.2.7-h14, 11.2.4-h17","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-0257","source_modified_at":"2026-10-15T01:11:26.182Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"PAN-OS","ecosystem":null},"version":"11.1.15, 11.1.13-h5, 11.1.10-h25, 11.1.7-h6, 11.1.6-h32, 11.1.4-h33","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-0257","source_modified_at":"2026-10-15T01:11:26.182Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"PAN-OS","ecosystem":null},"version":"10.2.18-h6, 10.2.16-h7, 10.2.13-h21, 10.2.10-h36, 10.2.7-h34","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-0257","source_modified_at":"2026-10-15T01:11:26.182Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"Prisma Access","ecosystem":null},"version":"10.2.10-h36","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-0257","source_modified_at":"2026-10-15T01:11:26.182Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"Prisma Access","ecosystem":null},"version":"11.2.7-h13","basis":"first unaffected version stated in the CVE record"}],"cvss":7.8,"severity":"High","kev":{"listed":true,"date_added":"2026-05-29","due_date":"2026-06-01","required_action":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","ransomware_campaign_use":"Known"},"epss":{"probability":0.96895,"percentile":0.9989,"score_date":"2026-10-23"},"published_at":"2026-05-13T18:15:10.172Z","modified_at":"2026-10-15T01:11:26.182Z","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-2026-0257","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-15T01:11:26.182Z"},{"source":"Nuclei","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/javascript/cves/2026/CVE-2026-0257.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-2026-0257","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://security.paloaltonetworks.com/CVE-2026-0257","tags":["vendor-advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-0257","source":"CISA KEV"},{"source":"CVE List","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-0257","tags":["government-resource"]},{"source":"CVE List","url":"https://cert-portal.siemens.com/productcert/html/ssa-967325.html"}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"active","automatable":"no","technical_impact":"total","assessed_at":"2026-05-28T00:00:00+00:00"},"exploits":[{"source":"Nuclei","kind":"Scanner template","name":"Palo Alto Networks PAN-OS - Authentication Bypass","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/javascript/cves/2026/CVE-2026-0257.yaml"}],"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-15T01:11:26.182Z","content_hash":"7ef9c0612bab6f48fbebac040a2c69e2d1f5f49dbaadd900d96cb3c6d8768b14"}}