PatchTheCVECVE-2026-96654: Plex Media Server Improper Neutralization of Encoded URI Schemes in a Web Page Vulnerability
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MEDIUM 6.5EXPLOITEDREMOTEUPGRADE
CVE-2026-96654 is a medium-severity flaw (CVSS 6.5) affecting media server, reported as exploited in the wild. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- Exploited in the wild (CISA KEV)
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 6.5 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.5% (top 61%) |
| CISA exploited list | Yes, fix due 2026-10-23 |
| Weakness | CWE-84 |
| Published | 2026-09-23 |
| Last modified | 2026-10-21 |
Publisher (CNA): Cybersecurity and Infrastructure Security Agency (CISA) U.S. Civilian Government · Vendor: plex
Am I affected?
Timeline
- Published CVE record published
- Exploited Added to the CISA Known Exploited Vulnerabilities list
- Updated Record last modified
- Deadline CISA due date for US federal agencies to patch
plex media server UPGRADE
Affected: < 1.43.3.10861
Fixed in: 1.43.3.10861
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy media-server || rpm -q media-server || media-server --version
2. UPGRADE to 1.43.3.10861 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade media-server
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade media-server
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
Exact fixes by distribution
Fedora 46 · retext · FIXED · 8.1.0-1.fc46 · FEDORA-2026-0602a84203 · source
sudo dnf upgrade --advisory=FEDORA-2026-0602a84203
Advisories and coverage
Official advisories
- CISA Alerts and Advisories: CISA Adds Six Known Exploited Vulnerabilities to Catalog 2026-10-20
Verify at the official source NVD · CVE Program · CISA KEV catalog · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Related CVEs
- CVE-2026-96652 MEDIUM 4.3 EXPLOITED UPGRADE Plex Media Server Server-Side Request Forgery (SSRF) Vulnerability
- CVE-2026-96655 MEDIUM 4.3 EXPLOITED UPGRADE Plex Media Server Server-Side Request Forgery (SSRF) Vulnerability
- CVE-2026-96656 HIGH 7.2 EXPLOITED UPGRADE Plex Media Server External Control of File Name or Path Vulnerability