What is CVE-2023-40918?

CVE-2023-40918 is a high-severity vulnerability in Knowstreaming Project, classified under Improper Privilege Management. CVSS score: 8.8/10. Published 2023-09-05.

How severe is CVE-2023-40918?

High severity. CVSS v3 base score is 8.8 out of 10.

Privilege escalation in Knowstreaming Project

CVE-2023-40918

KnowStreaming 3.3.0 is vulnerable to Escalation of Privileges. Unauthorized users can create a new user with an admin role.

Vulnerability class: Privilege Escalation

Published 2023-09-05 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.007 (51.8th percentile), scored 2026-10-07.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 51.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Knowstreaming Project — versions 3.3.0

Weakness classification (CWE)

CWE-269 — Improper Privilege Management

References

github.com/didi/KnowStreaming/issues/1128 (Exploit, Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2023-40918?: CVE-2023-40918 is a high-severity vulnerability in Knowstreaming Project, classified under Improper Privilege Management. CVSS score: 8.8/10. Published 2023-09-05.
How severe is CVE-2023-40918?: High severity. CVSS v3 base score is 8.8 out of 10.