What is CVE-2026-7679?

CVE-2026-7679 is a high-severity vulnerability in Yunaiv Yudao-cloud, classified under Improper Authentication. CVSS score: 7.3/10. Published 2026-05-03.

How severe is CVE-2026-7679?

High severity. CVSS v3 base score is 7.3 out of 10.

Auth bypass in Yunaiv Yudao-cloud

CVE-2026-7679

A security flaw has been discovered in YunaiV yudao-cloud up to 2026.01. This impacts the function getAccessToken of the file yudao-module-system-biz/src/main/java/io/github/ruoyi/common/oauth2/service/impl/OAuth2TokenServiceImpl.java. Per…

Vulnerability class: Broken Authentication

EPSS: 0.001 (28.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

Affected products

Yunaiv Yudao-cloud — versions 2026.01

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

VDB-360832 | YunaiV yudao-cloud OAuth2TokenServiceImpl.java getAccessToken improper authentication (technical-description, vdb-entry)
VDB-360832 | CTI Indicators (IOB, IOC, IOA) (signature, permissions-required)
Submit #800866 | YunaiV yudao-cloud up to 2026.01 Authentication Bypass by Primary Weakness (third-party-advisory)
cna@vuldb.com (issue-tracking, exploit)

Frequently asked questions

What is CVE-2026-7679?: CVE-2026-7679 is a high-severity vulnerability in Yunaiv Yudao-cloud, classified under Improper Authentication. CVSS score: 7.3/10. Published 2026-05-03.
How severe is CVE-2026-7679?: High severity. CVSS v3 base score is 7.3 out of 10.