Vulnerability · Published Sep 16, 2026 · Assigned by VulnCheck
CVE-2026-92780KnowStreaming through 3.4.1 Missing Authorization on the REST API
High 8.8
In plain English
A high-severity missing authorization in KnowStreaming from didi. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 45% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.5%top 55.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| didi | KnowStreaming | 0 – through 3.4.1 |
Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References
- GitHub Issue #1263 issue-tracking
- https://github.com/didi/KnowStreaming product
- the only API gate delegates to a session check with no permission context technical-description
- VulnCheck Advisory: KnowStreaming through 3.4.1 Missing Authorization on the REST API third-party-advisory