{"id":"CVE-2026-96655","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-96655","generatedAt":"2026-10-31T03:52:49.313Z","title":"Plex Media Server Server-Side Request Forgery (SSRF) Vulnerability","description":"Plex Media Server before 1.43.3.10861 allows an authenticated user to request arbitrary internal or external addresses via the '/video/:/transcode/universal' path parameter.","published":"2026-09-23T17:17:24.000Z","lastModified":"2026-10-21T13:09:30.000Z","status":"Analyzed","sourceIdentifier":"9119a7d8-5eab-497f-8521-727c672e3725","cvss":{"version":"4.0","score":5.3,"severity":"MEDIUM","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-918"],"affected":["plex/media server"],"epss":{"score":0.01637,"percentile":0.7631,"date":"2026-10-30","history":[{"date":"2026-09-24","score":0.00199,"percentile":0.08656},{"date":"2026-10-25","score":0.01637,"percentile":0.76162}]},"kev":{"listed":true,"dateAdded":"2026-10-20","dueDate":"2026-11-03","knownRansomwareCampaignUse":"Unknown","notes":"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.\nhttps://forums.plex.tv/t/important-security-update-for-plex-media-server-v1-43-2-and-earlier/942319 ; ; 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-2026-96655"},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"Known to be exploited in the wild (CISA KEV, CISA remediation deadline 3 November 2026). Treat as an emergency change: patch or isolate now, then hunt for prior compromise."},"changes":[{"kind":"kev","label":"Added to KEV","at":"2026-10-20T00:00:00.000Z","detail":{"name":"Plex Media Server Server-Side Request Forgery (SSRF) Vulnerability","vendor":"Plex","dueDate":"2026-11-03","product":"Media Server","ransomware":"Unknown"},"summary":"Added to CISA KEV — known to be exploited; federal remediation due 2026-11-03."},{"kind":"new","label":"New CVE","at":"2026-09-23T17:17:24.000Z","detail":{"score":"5.3","severity":"MEDIUM","publishedAt":"2026-09-23T17:17:23.677Z"},"summary":"New CVE, medium severity (CVSS 5.3)."}],"references":[{"url":"https://forums.plex.tv/t/plex-media-server/30447/711","tags":["Release Notes"],"source":"9119a7d8-5eab-497f-8521-727c672e3725"},{"url":"https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-266-01.json","tags":["Third Party Advisory"],"source":"9119a7d8-5eab-497f-8521-727c672e3725"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-96655","tags":["Third Party Advisory","VDB Entry"],"source":"9119a7d8-5eab-497f-8521-727c672e3725"},{"url":"https://zmain.info/blog/plex2shell","tags":["Third Party Advisory"],"source":"9119a7d8-5eab-497f-8521-727c672e3725"},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-96655","tags":["US Government Resource"],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-96655","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}