CVE-2026-96654

Plex Media Server URL injection

At a glance

Severity: MEDIUM 6.9
Exploitation: Known exploited (CISA KEV) · added 2026-10-20
Exploited per ENISA since 2026-10-20
EPSS: EPSS 1.95 % · percentile 80 (2026-10-27)
State: PUBLISHED
Published: 2026-09-23
Updated: 2026-10-21
Assigner: cisa-cg
NVD status: Analyzed

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.

Scores

Version	Score	Vector	Scored by
CVSS 4.0	MEDIUM 6.9	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N	cisa-cg
CVSS 3.1	MEDIUM 6.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N	cisa-cg
CVSS 4.0	MEDIUM 6.9	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X	NVD · 9119a7d8-5eab-497f-8521-727c672e3725 (Secondary)
CVSS 3.1	MEDIUM 6.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N	NVD · 9119a7d8-5eab-497f-8521-727c672e3725 (Secondary)

Weaknesses (CWE)

CWE-84

European references

ENISA EUVD · EUVD-2026-85368
GCVE · GCVE-0-2026-96654

Affected configurations (NVD CPE)

cpe:2.3:a:plex:media_server:*:*:*:*:*:*:*:* < 1.43.3.10861

Affected products

Product	Versions
Plex · Media Server	affected 0 < 1.43.3.10861 ; unaffected 1.43.3.10861

References

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
CISA Known Exploited Vulnerabilities	CC0 1.0
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD