{"schema":"threatline.record/2","record":{"id":"CVE-2026-96654","aliases":[],"summary":"Plex Media Server Improper Neutralization of Encoded URI Schemes in a Web Page Vulnerability","details":"Plex Media Server contains an improper neutralization of encoded URI schemes in a web page vulnerability that could allow an attacker to call other plugins' functions and supply their own parameters. This vulnerability can be chained with CVE-2026-96652, CVE-2026-96655, and CVE-2026-96656.","categories":["Applications & CMS"],"product":"Media Server","vendor":"Plex","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-96654","source_modified_at":"2026-10-21T03:56:25.683Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Media Server","vendor":"Plex","versions":[{"version":"0","status":"affected","lessThan":"1.43.3.10861","versionType":"custom"},{"version":"1.43.3.10861","status":"unaffected"}],"defaultStatus":"unknown"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-96654","source_modified_at":"2026-10-21T03:56:25.683Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"Media Server","ecosystem":null},"version":"1.43.3.10861","basis":"first unaffected version stated in the CVE record"}],"cvss":6.9,"severity":"Medium","kev":{"listed":true,"date_added":"2026-10-20","due_date":"2026-10-23","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":0.00465,"percentile":0.39325,"score_date":"2026-10-23"},"published_at":"2026-09-23T16:06:35.821Z","modified_at":"2026-10-21T03:56:25.683Z","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-2026-96654","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-21T03:56:25.683Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-96654","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CISA KEV","CVE List","EPSS"],"references":[{"url":"https://forums.plex.tv/t/important-security-update-for-plex-media-server-v1-43-2-and-earlier/942319","source":"CISA KEV"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-96654","source":"CISA KEV"},{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-96654","tags":["vdb-entry"]},{"source":"CVE List","url":"https://forums.plex.tv/t/plex-media-server/30447/711","tags":["release-notes"]},{"source":"CVE List","url":"https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-266-01.json","tags":["third-party-advisory"]},{"source":"CVE List","url":"https://zmain.info/blog/plex2shell","tags":["third-party-advisory"]},{"source":"CVE List","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-96654","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":"2026-10-20T00:00:00+00:00"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-21T03:56:25.683Z","content_hash":"cf5d01288667d8ce79f56bd9e5f9ba85f48b9a2f5c94526cc55b96ca9872efa0"}}