CVE-2026-96654

MEDIUM CISA KEV

Published Sep 23, 2026 Modified Sep 29, 2026 CWE-84

Description

Plex Media Server before 1.43.3.10861 does not correctly neutralize URL values included in 'searchOne,' allowing an attacker to call other plugins' functions and supply their own parameters.

Is your site exposed to CVE-2026-96654?

Run a free security scan — no signup, results in seconds.

CVSS v3.1 Score

6.5

MEDIUM

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

EPSS — Exploit Prediction

0.0047

Probability of exploitation

0.39%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

CISA Known Exploited Vulnerability

This vulnerability is actively exploited in the wild.

Added: Oct 20, 2026 Remediation due: Oct 23, 2026

Weakness Type (CWE)

CWE-84 CWE-84

Affected Products

Vendor	Product	Versions
plex	media_server	< 1.43.0.10861

References

Other 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-2026-96654 https://zmain.info/blog/plex2shell

Frequently Asked Questions

What is CVE-2026-96654? +

Plex Media Server before 1.43.3.10861 does not correctly neutralize URL values included in 'searchOne,' allowing an attacker to call other plugins' functions and supply their own parameters. It has a CVSS v3.1 base score of 6.5 (MEDIUM). This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog, indicating active exploitation in the wild.

How severe is CVE-2026-96654? +

CVE-2026-96654 has a CVSS v3.1 score of 6.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0047, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-96654? +

CVE-2026-96654 affects products from plex, specifically: media_server. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-96654? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

Related Vulnerabilities

CVE-2026-54443

Dashy is a self-hostable personal dashboard. From 1.9.4 until 3.2.0, the Dashy RSS Widget in src/components/Widgets/RssFeed.vue does not sanitize RSS …

CVE-2025-58444

The MCP inspector is a developer tool for testing and debugging MCP servers. A cross-site scripting issue was reported in …

CVE-2026-88859 6.3

A flaw was found in Evolution. A remote attacker can exploit this vulnerability by sending a specially crafted HTML email …

CVE-2024-45045 6.3

Collabora Online is a collaborative online office suite based on LibreOffice technology. In the mobile (Android/iOS) device variants of Collabora …

CVE-2024-52890 6.1

IBM Engineering Lifecycle Optimization - Publishing 7.0.2 and 7.03 could be susceptible to cross-site scripting due to no validation of …

CVE-2026-67338 6.1

JupyterLab before 4.5.9 contains a stored cross-site scripting vulnerability in the Extension Manager that fails to validate URI protocols in …