CVE-2026-96655

What it is

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.

At a glance

Exploitability

Can be exploited over the network with a low-privilege account. Limited direct impact.

In the wild

CISA lists this as exploited in real attacks. Treat as urgent.

Fix

No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

1. 2026-09-23 14:42 UTC ReservedThe CVE id was reserved by its CNA
2. 2026-09-23 17:17 UTC PublishedDisclosed publicly on CVE.org and NVD
3. 2026-10-20 Exploited in the wildAdded to CISA's Known Exploited Vulnerabilities list
4. 2026-10-21 13:09 UTC Last updatedMost recent change to the record
5. 2026-11-03 Remediation deadlineCISA's due date for federal agencies to fix it

Why it ranks here

• Exploited in the wild: yes, CISA lists it. This puts it above everything that is not.
• Exploit odds: 10.7% in the next 30 days (EPSS).
• Severity: 5.3 MEDIUM (CVSS).
• Fix: none linked yet, which raises it.

Details

Published

2026-09-23 17:17 UTC

Last modified

2026-10-21 13:09 UTC

Added to CISA KEV

2026-10-20

Exploit probability

10.7% · EPSS, next 30 days

Weakness

CWE-918 · Server-side request forgery

Record status

Analyzed

Affected

• Plex Media Server < 1.43.3.10861

Attack profile CVSS 4.0 · 5.3

Attack vector

Network

Complexity

Low

Attack requirements

None

Privileges needed

Low

User interaction

None

Confidentiality

Low

Integrity

None

Availability

None

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2026-96655.md and follow it. Check whether this project is affected by CVE-2026-96655. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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