CVE-2026-96652
Plex Media Server SSRF
- Medium 5.3
- Exploited: added to CISA KEV 20 Oct 2026
Description
Plex Media Server before 1.43.3.10861 allows SSRF via '/player/timeline'. An attacker using any X-Plex-Token value can include a full URL in the 'protocol' parameter and force the Plex server to POST to the attacker's chosen destination.
Key facts
- Published
- 23 Sep 2026
- Last changed
- 21 Oct 2026
- Assigned by
- cisa-cg
- KEV added
- 20 Oct 2026
- KEV fix due
- 3 Nov 2026
- EPSS
- 11.886% likely to be exploited in the next 30 days, higher than 96.168% of CVEs (scores for 15 Nov 2026)
- SSVC (CISA)
- Exploitation: active; Automatable: no; Technical impact: partial
Severity scores
Each score is shown as its source gave it. They are not averaged or merged.
- 4.3CVSS 3.1, Mediumfrom the CNA (cisa-cg)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N - 5.3CVSS 4.0, Mediumfrom the CNA (cisa-cg)
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
What to do
- 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.CISA KEV required action
Historical context and remediation
This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.
No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.
Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Plex | Media Server |
|
Timeline
- 23 Sep 2026 Published
- 20 Oct 2026 CVE-2026-96652 added to CISA KEV
- 20 Oct 2026 Added to the CISA KEV catalogue
Weakness
Related coverage
- Plex2Shell chain exploited against QNAP NAS devices running Plex Media Server9 Nov 2026
- QNAP says Plex servers on its NAS devices are being breached in Plex2Shell attacks6 Nov 2026
- CISA adds exploited Plex Media Server flaw to KEV catalog27 Oct 2026
- Plex2Shell exploit chain hit internet-facing Plex servers a day after PoC release26 Oct 2026