MEDIUM CISA KEV

CVE-2026-96655

Q: What is CVE-2026-96655?

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.

Q: Is CVE-2026-96655 actively exploited?

Yes. CVE-2026-96655 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2026-11-03.

Q: What is the CVSS score for CVE-2026-96655?

CVE-2026-96655 has a CVSS v3 base score of 4.3 (MEDIUM severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

CVSS v3

4.3

MEDIUM

EPSS Score

0.4 %

exploit probability, as of 2026-10-21

CISA KEV

Yes

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

VA-26-266-01 CISA1 product fixed · 1 known affected
Plex Media Server
Plex Media Server <1.43.3.10861

Full record on NVD

Description

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.

CISA Known Exploited Vulnerability

Date Added: 2026-10-20
Patch Due Date: 2026-11-03
Ransomware Use: Unknown

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Published: 2026-09-23
Last Modified: 2026-09-23

Frequently asked questions

What is CVE-2026-96655?

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.

Is CVE-2026-96655 actively exploited?

Yes. CVE-2026-96655 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2026-11-03.

What is the CVSS score for CVE-2026-96655?

CVE-2026-96655 has a CVSS v3 base score of 4.3 (MEDIUM severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

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