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8 vulnerabilities found for Media Server by Plex

CVE-2026-96656 (GCVE-0-2026-96656)
Vulnerability from cvelistv5
Published
2026-09-23 16:07
Modified
2026-10-21 03:56
Severity ?
8.6 (High) - CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
7.2 (High) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-73 - External Control of File Name or Path
Summary
Plex Media Server before 1.43.3.10861 allows an admin user to write arbitrary files that may be executed on load. The preference TranscoderH264Options is appended verbatim to x264's option string on every transcode. At startup, all .so files are run without signature, execute bit, or symbol checks.
References
Impacted products
Vendor Product Version
Plex Media Server Version: 0   < 1.43.3.10861
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2026-96655 (GCVE-0-2026-96655)
Vulnerability from cvelistv5
Published
2026-09-23 16:06
Modified
2026-10-21 03:56
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
5.3 (Medium) - CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Summary
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.
References
Impacted products
Vendor Product Version
Plex Media Server Version: 0   < 1.43.3.10861
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2026-96654 (GCVE-0-2026-96654)
Vulnerability from cvelistv5
Published
2026-09-23 16:06
Modified
2026-10-21 03:56
Severity ?
6.9 (Medium) - 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
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
CWE
  • CWE-84 - Improper Neutralization of Encoded URI Schemes in a Web Page
Summary
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.
References
Impacted products
Vendor Product Version
Plex Media Server Version: 0   < 1.43.3.10861
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2026-96652 (GCVE-0-2026-96652)
Vulnerability from cvelistv5
Published
2026-09-23 16:06
Modified
2026-10-21 03:56
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
5.3 (Medium) - CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Summary
Plex Media Server before 1.43.3.10861 allows SSRF via '/player/timeline'. An attacker using any X-Plex-Token value can include a full URL in the 'protocol' parameter and force the Plex server to POST to the attacker's chosen destination.
References
Impacted products
Vendor Product Version
Plex Media Server Version: 0   < 1.43.3.10861
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2026-96651 (GCVE-0-2026-96651)
Vulnerability from cvelistv5
Published
2026-09-23 16:06
Modified
2026-09-23 16:46
Severity ?
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
7.1 (High) - CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
CWE
  • CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Summary
Plex Media Server before 1.43.3.10861 builds a file path from the url parameter without checking it for ../ sequences, allowing path traversal via '/system/agents/media/get'. A remote attacker with a valid session token could read any file that the target user can access. This access includes the PlexOnlineToken, which grants control of the Plex account and server. A LAN-adjacent attacker with a client-supplied X-Forwarded-For header could exploit the same issue.
References
Impacted products
Vendor Product Version
Plex Media Server Version: 0   < 1.43.3.10861
 Create a notification for this product.
Show details on NVD website

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CVE-2025-69415 (GCVE-0-2025-69415)
Vulnerability from cvelistv5
Published
2026-01-02 16:49
Modified
2026-01-02 21:02
Severity ?
7.1 (High) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N
CWE
  • CWE-672 - Operation on a Resource after Expiration or Release
Summary
In Plex Media Server (PMS) through 1.42.2.10156, ability to access /myplex/account with a device token is not properly aligned with whether the device is currently associated with an account.
References
Impacted products
Vendor Product Version
Plex Media Server Version: 0   <
Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2025-69414 (GCVE-0-2025-69414)
Vulnerability from cvelistv5
Published
2026-01-02 16:43
Modified
2026-01-02 21:01
Severity ?
8.5 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
CWE
  • CWE-863 - Incorrect Authorization
Summary
Plex Media Server (PMS) through 1.42.2.10156 allows retrieval of a permanent access token via a /myplex/account call with a transient access token.
References
Impacted products
Vendor Product Version
Plex Media Server Version: 0   <
Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2025-34158 (GCVE-0-2025-34158)
Vulnerability from cvelistv5
Published
2025-08-21 13:43
Modified
2026-01-02 15:56
Severity ?
8.5 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
CWE
  • CWE-669 - Incorrect Resource Transfer Between Spheres
Summary
Plex Media Server (PMS) 1.41.7.x through 1.42.0.x before 1.42.1 is affected by incorrect resource transfer between spheres because /myplex/account provides the credentials of the server owner (and a /api/resources call reveals other servers accessible by that server owner).
References
Impacted products
Vendor Product Version
Plex Media Server Version: 1.41.7.x   < 1.42.1
 Create a notification for this product.
Show details on NVD website

To clipboard 

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        {
          "url": "https://forums.plex.tv/t/plex-media-server-security-update/928341"
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        {
          "url": "https://www.bleepingcomputer.com/news/security/plex-warns-users-to-patch-security-vulnerability-immediately/"
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