CVE-2026-96655Plex Media Server arbitrary-host SSRF

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.

5.3 MEDIUMEPSS 10.72%⚡ Known Exploited (CISA KEV)NVD: Published

Last updated: 2026-10-21 03:56 UTC

OverviewCVSS details

5.3MEDIUMCVSS 4.0

Score source: cisa-cg (CNA)
NVD status: Published
Published: Sep 23, 2026
Assigner: cisa-cg

Affected

Media Server (Plex)

Versions: before 1.43.3.10861
Fixed in: 1.43.3.10861

Exploitation

Public exploit: None listed
CISA KEV: Listed · Oct 20, 2026
KEV due date: Nov 3, 2026
Ransomware use: Unknown
SSVC: Exploitation active · Automatable no · Impact partial

EPSS · FIRST, scored Nov 7

10.72%chance of exploitation in 30 days

Higher than 95.84% of CVEs

CVSS 4.0 · cisa-cg (CNA)

5.3Medium

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

Attack vector: Network
Attack complexity: Low
Attack requirements: None
Privileges required: Low
User interaction: None
Confidentiality impact: Low
Integrity impact: None
Availability impact: None
Confidentiality (other systems): None
Integrity (other systems): None
Availability (other systems): None

CVSS 3.1 · cisa-cg (CNA)

4.3Medium

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Attack vector: Network
Attack complexity: Low
Privileges required: Low
User interaction: None
Scope: Unchanged
Confidentiality impact: Low
Integrity impact: None
Availability impact: None

NVD status: Published

Overview Affected Products References

NVD CVE.org

Overview

Severity

Score	Severity	Version	Vector String
5.3	MEDIUM	4.0cisa-cg (CNA)	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
4.3	MEDIUM	3.1cisa-cg (CNA)	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Details

CVE ID: CVE-2026-96655
Status: Published
Assigner (CNA): cisa-cg
Published: Sep 23, 2026
Last modified: 2026-10-21 03:56 UTC
Weaknesses: CWE-918 · Server-Side Request Forgery (SSRF)

Sources

NVD (unavailable at last refresh)
CVE.org
CISA KEV
FIRST EPSS

Refreshed hourly from the sources above. Last fetched 2026-11-07 16:57 UTC.