Vulnerability record · CVE-2026-92780 · published 16 September 2026

CVE-2026-92780: Missing authorization vulnerability

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.

8.7 CVSS 4.0 High EPSS 0.52% · top 57.9% CWE-862 · Missing authorization Deferred

8.7CVSS 4.0 base score

0.52%EPSS exploitation probability, 30 days

NoNot in CISA KEV

0Affected product versions listed by NVD

5References

24 Sep 2026Last modified by NVD

Description

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

Link	Tags
https://github.com/didi/KnowStreaming
https://github.com/didi/KnowStreaming/blob/v3.4.0/km-rest/src/main/java/com/xiaojukeji/know/streaming/km/rest/intercepto
https://github.com/didi/KnowStreaming/issues/1263
https://www.vulncheck.com/advisories/knowstreaming-through-3.4.1-missing-authorization-on-the-rest-api
https://github.com/didi/KnowStreaming/issues/1263

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Source: NIST National Vulnerability Database (record CVE-2026-92780), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.