{"schema":"threatline.record/2","record":{"id":"CVE-2026-12254","aliases":[],"summary":"Netskope Client Captive Portal WebView Persistence allowing SWG bypass issue","details":"Netskope is notified about a potential gap in its agent (NSClient) where a system with Netskope Client while connecting to an access point with Captive Portal switches to a Network which already has internet connectivity, the Captive Portal does not close. This allows the possibility of abuse via the Captive Portal using a rogue access point to either access malicious sites or exfiltrate data.The issue impacts all versions prior to R142","categories":["Unclassified"],"product":"Netskope Client","vendor":"Netskope Inc.","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-12254","source_modified_at":"2026-10-21T16:31:04.871Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"Netskope Client","vendor":"Netskope Inc.","versions":[{"status":"affected","version":"0","lessThan":"142","versionType":"custom"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-12254","source_modified_at":"2026-10-21T16:31:04.871Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Netskope Client","ecosystem":null},"version":"142","basis":"first unaffected version stated in the CVE record"}],"cvss":6.4,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.00239,"percentile":0.14209,"score_date":"2026-10-23"},"published_at":"2026-10-19T15:37:11.423Z","modified_at":"2026-10-21T16:31:04.871Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-12254","fetched_at":"2026-10-23T18:45:31.882637Z","source_modified_at":"2026-10-21T16:31:04.871Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-12254","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://www.netskope.com/resources/netskope-resources/netskope-security-advisory-nskpsa-2026-004"}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"partial","assessed_at":"2026-10-20T19:28:10.399796Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-21T16:31:04.871Z","content_hash":"9a8b0397ee4e9cc807157ece06e596f91c47773589fdc5ea9d866bf3c6ed7440"}}