--- title: "CVE-2026-96655: Plex Media Server arbitrary-host SSRF | CubePath" description: "Plex Media Server before 1.43.3.10861 allows an authenticated user to request arbitrary internal or external addresses…" language: en source: https://cubepath.com/security/cve/CVE-2026-96655 --- # CVE-2026-96655: Plex Media Server arbitrary-host SSRF | CubePath ## 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. Official description from the CVE record, published by cisa-cg. Copyright © 1999-2026 The MITRE Corporation. See [/security/cve/legal](https://cubepath.com/security/cve/legal) for the CVE license. [View the record on cve.org](https://www.cve.org/CVERecord?id=CVE-2026-96655) ## Key data ### CVSS 4.0 Medium 5.3 Score published by cisa-cg in the CVE record. 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 | Metric | Value | What it means | | ----------------------------------- | ------- | --------------------------------------------------------------------------------------------------------------- | | Attack vector | Network | The vulnerable component can be reached over a network, possibly from the Internet. | | Attack complexity | Low | No measurable action is needed to get around the system's built-in security controls. The attack is repeatable. | | Attack requirements | None | The attack works without any special deployment or execution conditions. | | Privileges required | Low | A basic user account is needed. | | User interaction | None | No action from any user is needed. | | Vulnerable system: confidentiality | Low | Limited effect on the secrecy of data. | | Vulnerable system: integrity | None | No effect on the trustworthiness of data. | | Vulnerable system: availability | None | No effect on availability. | | Subsequent systems: confidentiality | None | No effect on other systems' data secrecy. | | Subsequent systems: integrity | None | No effect on other systems' data trustworthiness. | | Subsequent systems: availability | None | No effect on other systems' availability. | ### CVSS 3.1 Medium 4.3 Score published by cisa-cg in the CVE record. CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N | Metric | Value | What it means | | ---------------------- | --------- | ----------------------------------------------------------------------------------- | | Attack vector | Network | The vulnerable component can be reached over a network, possibly from the Internet. | | Attack complexity | Low | No special conditions are needed. The attack can be repeated at will. | | Privileges required | Low | A basic user account is needed. | | User interaction | None | No action from any user is needed. | | Scope | Unchanged | The impact stays within the vulnerable component. | | Confidentiality impact | Low | Limited effect on the secrecy of data. | | Integrity impact | None | No effect on the trustworthiness of data. | | Availability impact | None | No effect on availability. | CVSS is owned and managed by FIRST.Org, Inc. (FIRST) and is used by permission. Each CVSS score on this site is shown together with its vector string, as published in the CVE record by the source named next to it. Learn more at [first.org/cvss](https://www.first.org/cvss/) . ### EPSS Exploit Prediction Scoring System by FIRST: an estimate of the probability that exploitation activity will be observed in the next 30 days. Score 0.10724 (10.7% probability) Percentile 95.9% Scores of Nov 10, 2026 Model v2026.06.15 ### CISA Known Exploited Vulnerabilities This CVE is listed in the CISA KEV catalog. Name in the catalog Plex Media Server Server-Side Request Forgery (SSRF) Vulnerability Added to the catalog Oct 20, 2026 Federal due date Nov 3, 2026 ### CISA assessment as of Oct 20, 2026 Stakeholder-Specific Vulnerability Categorization (SSVC) decision points added by CISA. Exploitation Recorded by CISA as active Automatable no Technical impact partial ### Weakness (CWE) CWE catalog version 5.0. CWE names: Copyright © 2006-2026, The MITRE Corporation. See [/security/cve/legal](https://cubepath.com/security/cve/legal) for the CWE license. - [CWE-918](https://cwe.mitre.org/data/definitions/918.html) Server-Side Request Forgery ## Affected products Products listed in the CVE record, as the CNA published them. - Plex Media Server - affected: before 1.43.3.10861 - unaffected: 1.43.3.10861 ## References Links listed in the CVE record. They lead to other sites, which CubePath does not control. - [url](https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf%5Ffiles/IT/white/2026/va-26-266-01.json) (raw.githubusercontent.com) third-party-advisory - [url](https://forums.plex.tv/t/plex-media-server/30447/711) (forums.plex.tv) release-notes - [url](https://www.cve.org/CVERecord?id=CVE-2026-96655) (cve.org) vdb-entry - [url](https://zmain.info/blog/plex2shell) (zmain.info) third-party-advisory ## Timeline 1. ID reserved Sep 23, 2026 2. Record published Sep 23, 2026 3. Added to CISA KEV Oct 20, 2026 4. Record last updated Oct 21, 2026 ## Look up another CVE ## About CubePath CubePath is a cloud provider with data centers in Europe and the United States. It offers VPS, bare metal servers and DDoS protection. [Cloud VPS](https://cubepath.com/vps) [DDoS protection](https://cubepath.com/ddos-protection) Data from the CVE Program (MITRE), CISA KEV and FIRST EPSS. CVSS is owned by FIRST and used by permission. Not affiliated with or endorsed by MITRE, CISA or FIRST. Data as of Nov 10, 2026, 19:23 UTC. [Sources and licenses](https://cubepath.com/security/cve/legal)