KnowStreaming through 3.4.1 fails to enforce role-based access control on REST API endpoints, allowing any authenticated user to access protected functionality. Attackers can call identity-management endpoints to create administrator accounts or grant themselves administrative privileges without proper authorization.

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
didi KnowStreaming unaffected
Version Status Constraints
0 affected ≤ 3.4.1

No data.

No data.

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Project Subscriptions

Vendors Products
Knowstreaming Project Subscribe
Knowstreaming Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/didi/KnowStreaming cve-icon cve-icon
https://github.com/didi/KnowStreaming/blob/v3.4.0/km-rest/src/main/java/com/xiaojukeji/know/streaming/km/rest/interceptor/PermissionInterceptor.java#L46-L74 cve-icon cve-icon
https://github.com/didi/KnowStreaming/issues/1263 cve-icon cve-icon
https://www.vulncheck.com/advisories/knowstreaming-through-3.4.1-missing-authorization-on-the-rest-api cve-icon cve-icon
History

Wed, 16 Sep 2026 20:45:00 +0000

Type Values Removed Values Added
Description KnowStreaming through 3.4.1 fails to enforce role-based access control on REST API endpoints, allowing any authenticated user to access protected functionality. Attackers can call identity-management endpoints to create administrator accounts or grant themselves administrative privileges without proper authorization.
Title KnowStreaming through 3.4.1 Missing Authorization on the REST API
First Time appeared Knowstreaming Project
Knowstreaming Project knowstreaming
Weaknesses CWE-862
CPEs cpe:2.3:a:knowstreaming_project:knowstreaming:*:*:*:*:*:*:*:*
Vendors & Products Knowstreaming Project
Knowstreaming Project knowstreaming
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-09-16T20:32:38.224Z

Reserved: 2026-09-16T19:22:53.441Z

Link: CVE-2026-92780

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-09-16T21:17:26.987

Modified: 2026-09-16T21:17:26.987

Link: CVE-2026-92780

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses