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Vulnerability Details :

CVE-2025-34158

Summary
Assigner-mitre
Assigner Org ID-8254265b-2729-46b6-b9e3-3dfca2d5bfca
Published At-21 Aug, 2025 | 13:43
Updated At-02 Jan, 2026 | 15:56
Rejected At-
Credits

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).

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:mitre
Assigner Org ID:8254265b-2729-46b6-b9e3-3dfca2d5bfca
Published At:21 Aug, 2025 | 13:43
Updated At:02 Jan, 2026 | 15:56
Rejected At:
▼CVE Numbering Authority (CNA)

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).

Affected Products
Vendor
Plex
Product
Media Server
Default Status
unaffected
Versions
Affected
  • From 1.41.7.x before 1.42.1 (custom)
Problem Types
TypeCWE IDDescription
CWECWE-669CWE-669 Incorrect Resource Transfer Between Spheres
Type: CWE
CWE ID: CWE-669
Description: CWE-669 Incorrect Resource Transfer Between Spheres
Metrics
VersionBase scoreBase severityVector
3.18.5HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
Version: 3.1
Base score: 8.5
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
finder
Luis Finke
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://www.plex.tv/media-server-downloads/
N/A
https://forums.plex.tv/t/plex-media-server-security-update/928341
N/A
https://www.bleepingcomputer.com/news/security/plex-warns-users-to-patch-security-vulnerability-immediately/
N/A
https://www.runzero.com/blog/plex/
N/A
https://www.tenable.com/plugins/nessus/250294
N/A
https://www.vulncheck.com/advisories/plex-media-server-unspecified
N/A
https://github.com/lufinkey/vulnerability-research/tree/main/CVE-2025-34158
N/A
https://github.com/lufinkey/vulnerability-research/blob/main/CVE-2025-34158/README.md
N/A
Hyperlink: https://www.plex.tv/media-server-downloads/
Resource: N/A
Hyperlink: https://forums.plex.tv/t/plex-media-server-security-update/928341
Resource: N/A
Hyperlink: https://www.bleepingcomputer.com/news/security/plex-warns-users-to-patch-security-vulnerability-immediately/
Resource: N/A
Hyperlink: https://www.runzero.com/blog/plex/
Resource: N/A
Hyperlink: https://www.tenable.com/plugins/nessus/250294
Resource: N/A
Hyperlink: https://www.vulncheck.com/advisories/plex-media-server-unspecified
Resource: N/A
Hyperlink: https://github.com/lufinkey/vulnerability-research/tree/main/CVE-2025-34158
Resource: N/A
Hyperlink: https://github.com/lufinkey/vulnerability-research/blob/main/CVE-2025-34158/README.md
Resource: N/A
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:cve@mitre.org
Published At:21 Aug, 2025 | 14:15
Updated At:02 Jan, 2026 | 16:15

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).

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary3.18.5HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
Type: Secondary
Version: 3.1
Base score: 8.5
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
CPE Matches
Weaknesses
CWE IDTypeSource
CWE-669Secondarycve@mitre.org
CWE ID: CWE-669
Type: Secondary
Source: cve@mitre.org
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://forums.plex.tv/t/plex-media-server-security-update/928341cve@mitre.org
N/A
https://github.com/lufinkey/vulnerability-research/blob/main/CVE-2025-34158/README.mdcve@mitre.org
N/A
https://github.com/lufinkey/vulnerability-research/tree/main/CVE-2025-34158cve@mitre.org
N/A
https://www.bleepingcomputer.com/news/security/plex-warns-users-to-patch-security-vulnerability-immediately/cve@mitre.org
N/A
https://www.plex.tv/media-server-downloads/cve@mitre.org
N/A
https://www.runzero.com/blog/plex/cve@mitre.org
N/A
https://www.tenable.com/plugins/nessus/250294cve@mitre.org
N/A
https://www.vulncheck.com/advisories/plex-media-server-unspecifiedcve@mitre.org
N/A
Hyperlink: https://forums.plex.tv/t/plex-media-server-security-update/928341
Source: cve@mitre.org
Resource: N/A
Hyperlink: https://github.com/lufinkey/vulnerability-research/blob/main/CVE-2025-34158/README.md
Source: cve@mitre.org
Resource: N/A
Hyperlink: https://github.com/lufinkey/vulnerability-research/tree/main/CVE-2025-34158
Source: cve@mitre.org
Resource: N/A
Hyperlink: https://www.bleepingcomputer.com/news/security/plex-warns-users-to-patch-security-vulnerability-immediately/
Source: cve@mitre.org
Resource: N/A
Hyperlink: https://www.plex.tv/media-server-downloads/
Source: cve@mitre.org
Resource: N/A
Hyperlink: https://www.runzero.com/blog/plex/
Source: cve@mitre.org
Resource: N/A
Hyperlink: https://www.tenable.com/plugins/nessus/250294
Source: cve@mitre.org
Resource: N/A
Hyperlink: https://www.vulncheck.com/advisories/plex-media-server-unspecified
Source: cve@mitre.org
Resource: N/A

Change History

0
Information is not available yet

Similar CVEs

1Records found
CVE-2025-69414
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-8.5||HIGH
EPSS-0.04% / 10.60%
||
7 Day CHG~0.00%
Published-02 Jan, 2026 | 16:43
Updated-27 Feb, 2026 | 15:27
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

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.

Action-Not Available
Vendor-plexPlex
Product-media_serverMedia Server
CWE ID-CWE-863
Incorrect Authorization
Details not found