CVE Details
CVE-2026-96654
Plex Media Server Improper Neutralization of Encoded URI Schemes in a Web Page Vulnerability
Published: 2026-10-20
CVSS: 6.9 MEDIUM
Product: Plex Media Server
Due Date: 2026-10-23
Plex Media Server contains an improper neutralization of encoded URI schemes in a web page vulnerability that could allow an attacker to call other plugins' functions and supply their own parameters. This vulnerability can be chained with CVE-2026-96652, CVE-2026-96655, and CVE-2026-96656.
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FIRST EPSS
EPSS estimates the probability of exploitation in the next 30 days. Higher values indicate higher likelihood of real-world exploitation.
Timeline
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References
Show Raw Data
| Key | Remaining Key | Value |
|---|---|---|
| dataType | CVE_RECORD | |
| dataVersion | 5.2 | |
| cveMetadata > | cveId | CVE-2026-96654 |
| cveMetadata > | assignerOrgId | 9119a7d8-5eab-497f-8521-727c672e3725 |
| cveMetadata > | state | PUBLISHED |
| cveMetadata > | assignerShortName | cisa-cg |
| cveMetadata > | dateReserved | 2026-09-23T14:42:18.475Z |
| cveMetadata > | datePublished | 2026-09-23T16:06:35.821Z |
| cveMetadata > | dateUpdated | 2026-10-20T19:58:24.571Z |
| containers > | cna > descriptions > 0 > lang | en |
| containers > | cna > descriptions > 0 > value | 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. |
| containers > | cna > affected > 0 > vendor | Plex |
| containers > | cna > affected > 0 > product | Media Server |
| containers > | cna > affected > 0 > defaultStatus | unknown |
| containers > | cna > affected > 0 > versions > 0 > version | 0 |
| containers > | cna > affected > 0 > versions > 0 > status | affected |
| containers > | cna > affected > 0 > versions > 0 > lessThan | 1.43.3.10861 |
| containers > | cna > affected > 0 > versions > 0 > versionType | custom |
| containers > | cna > affected > 0 > versions > 1 > version | 1.43.3.10861 |
| containers > | cna > affected > 0 > versions > 1 > status | unaffected |
| containers > | cna > problemTypes > 0 > descriptions > 0 > description | CWE-84 Improper Neutralization of Encoded URI Schemes in a Web Page |
| containers > | cna > problemTypes > 0 > descriptions > 0 > lang | en |
| containers > | cna > problemTypes > 0 > descriptions > 0 > type | CWE |
| containers > | cna > problemTypes > 0 > descriptions > 0 > cweId | CWE-84 |
| containers > | cna > metrics > 0 > cvssV4_0 > version | 4.0 |
| containers > | cna > metrics > 0 > cvssV4_0 > baseScore | 6.9 |
| containers > | cna > metrics > 0 > cvssV4_0 > attackVector | NETWORK |
| containers > | cna > metrics > 0 > cvssV4_0 > baseSeverity | MEDIUM |
| containers > | cna > metrics > 0 > cvssV4_0 > vectorString | 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 |
| containers > | cna > metrics > 0 > cvssV4_0 > userInteraction | NONE |
| containers > | cna > metrics > 0 > cvssV4_0 > attackComplexity | LOW |
| containers > | cna > metrics > 0 > cvssV4_0 > attackRequirements | NONE |
| containers > | cna > metrics > 0 > cvssV4_0 > privilegesRequired | NONE |
| containers > | cna > metrics > 0 > cvssV4_0 > subIntegrityImpact | NONE |
| containers > | cna > metrics > 0 > cvssV4_0 > vulnIntegrityImpact | LOW |
| containers > | cna > metrics > 0 > cvssV4_0 > subAvailabilityImpact | NONE |
| containers > | cna > metrics > 0 > cvssV4_0 > vulnAvailabilityImpact | NONE |
| containers > | cna > metrics > 0 > cvssV4_0 > subConfidentialityImpact | NONE |
| containers > | cna > metrics > 0 > cvssV4_0 > vulnConfidentialityImpact | LOW |
| containers > | cna > metrics > 1 > cvssV3_1 > scope | UNCHANGED |
| containers > | cna > metrics > 1 > cvssV3_1 > version | 3.1 |
| containers > | cna > metrics > 1 > cvssV3_1 > baseScore | 6.5 |
| containers > | cna > metrics > 1 > cvssV3_1 > attackVector | NETWORK |
| containers > | cna > metrics > 1 > cvssV3_1 > baseSeverity | MEDIUM |
| containers > | cna > metrics > 1 > cvssV3_1 > vectorString | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N |
| containers > | cna > metrics > 1 > cvssV3_1 > integrityImpact | LOW |
| containers > | cna > metrics > 1 > cvssV3_1 > userInteraction | NONE |
| containers > | cna > metrics > 1 > cvssV3_1 > attackComplexity | LOW |
| containers > | cna > metrics > 1 > cvssV3_1 > availabilityImpact | NONE |
| containers > | cna > metrics > 1 > cvssV3_1 > privilegesRequired | NONE |
| containers > | cna > metrics > 1 > cvssV3_1 > confidentialityImpact | LOW |
| containers > | cna > metrics > 2 > other > type | ssvc |
| containers > | cna > metrics > 2 > other > content > timestamp | 2026-10-20T15:58:41.367540Z |
| containers > | cna > metrics > 2 > other > content > id | CVE-2026-96654 |
| containers > | cna > metrics > 2 > other > content > options > 0 > Exploitation | none |
| containers > | cna > metrics > 2 > other > content > options > 1 > Automatable | yes |
| containers > | cna > metrics > 2 > other > content > options > 2 > Technical Impact | partial |
| containers > | cna > metrics > 2 > other > content > role | CISA Coordinator |
| containers > | cna > metrics > 2 > other > content > version | 2.0.3 |
| containers > | cna > title | Plex Media Server URL injection |
| containers > | cna > references > 0 > name | url |
| containers > | cna > references > 0 > url | https://www.cve.org/CVERecord?id=CVE-2026-96654 |
| containers > | cna > references > 0 > tags > 0 | vdb-entry |
| containers > | cna > references > 1 > name | url |
| containers > | cna > references > 1 > url | https://forums.plex.tv/t/plex-media-server/30447/711 |
| containers > | cna > references > 1 > tags > 0 | release-notes |
| containers > | cna > references > 2 > name | url |
| containers > | cna > references > 2 > url | https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-266-01.json |
| containers > | cna > references > 2 > tags > 0 | third-party-advisory |
| containers > | cna > references > 3 > name | url |
| containers > | cna > references > 3 > url | https://zmain.info/blog/plex2shell |
| containers > | cna > references > 3 > tags > 0 | third-party-advisory |
| containers > | cna > credits > 0 > value | Zach Main |
| containers > | cna > credits > 0 > lang | en |
| containers > | cna > datePublic | 2026-08-03T00:00:00.000Z |
| containers > | cna > providerMetadata > orgId | 9119a7d8-5eab-497f-8521-727c672e3725 |
| containers > | cna > providerMetadata > shortName | cisa-cg |
| containers > | cna > providerMetadata > dateUpdated | 2026-10-20T16:46:16.219Z |
| containers > | adp > 0 > metrics > 0 > other > type | ssvc |
| containers > | adp > 0 > metrics > 0 > other > content > id | CVE-2026-96654 |
| containers > | adp > 0 > metrics > 0 > other > content > role | CISA Coordinator |
| containers > | adp > 0 > metrics > 0 > other > content > options > 0 > Exploitation | active |
| containers > | adp > 0 > metrics > 0 > other > content > options > 1 > Automatable | yes |
| containers > | adp > 0 > metrics > 0 > other > content > options > 2 > Technical Impact | partial |
| containers > | adp > 0 > metrics > 0 > other > content > version | 2.0.3 |
| containers > | adp > 0 > metrics > 0 > other > content > timestamp | 2026-10-20T19:46:41.272234Z |
| containers > | adp > 0 > metrics > 1 > other > type | kev |
| containers > | adp > 0 > metrics > 1 > other > content > dateAdded | 2026-10-20 |
| containers > | adp > 0 > metrics > 1 > other > content > reference | https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-96654 |
| containers > | adp > 0 > references > 0 > url | https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-96654 |
| containers > | adp > 0 > references > 0 > tags > 0 | government-resource |
| containers > | adp > 0 > title | CISA ADP Vulnrichment |
| containers > | adp > 0 > providerMetadata > orgId | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| containers > | adp > 0 > providerMetadata > shortName | CISA-ADP |
| containers > | adp > 0 > providerMetadata > dateUpdated | 2026-10-20T19:58:24.571Z |
| containers > | adp > 0 > timeline > 0 > time | 2026-10-20T00:00:00.000Z |
| containers > | adp > 0 > timeline > 0 > lang | en |
| containers > | adp > 0 > timeline > 0 > value | CVE-2026-96654 added to CISA KEV |