CVE-2026-96655 KEV
4.3
MEDIUM · CVSS 3.1 · EPSS 0.4% (pctl 35)
Patch first
On CISA KEV — known exploited in the wild, due 2026-11-03.
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.
Scoring
| CVSS | 4.3 (MEDIUM, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
| EPSS | 0.42% — more likely to be exploited than 35% of all CVEs |
| Weakness | CWE-918 |
| On CISA KEV | yes — remediate by 2026-11-03 |
| Public exploit | none known |
| Published | 2026-09-23 |
| Last modified | 2026-10-21 |
CISA KEV
| Name | Plex Media Server Server-Side Request Forgery (SSRF) Vulnerability |
|---|---|
| Added | 2026-10-20 |
| Due | 2026-11-03 |
| Vendor / product | Plex / Media Server |
| Ransomware use | none reported |
Affected (1)
| Vendor | Product |
|---|---|
| plex | media server |
References
- https://forums.plex.tv/t/plex-media-server/30447/711
- https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-266-01.json
- https://www.cve.org/CVERecord?id=CVE-2026-96655
- https://zmain.info/blog/plex2shell
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-96655
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