CVE-2026-7679
HIGHYunaiV yudao-cloud OAuth2TokenServiceImpl.java getAccessToken improper authentication
Title source: cnaDescription
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. Performing a manipulation results in improper authentication. The attack can be initiated remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
References (4)
Core 4
Core References
Vdb Entry, Technical Description vdb-entry
technical-description
VDB-360832 | YunaiV yudao-cloud OAuth2TokenServiceImpl.java getAccessToken improper authentication
https://vuldb.com/vuln/360832
Signature, Permissions Required signature
permissions-required
VDB-360832 | CTI Indicators (IOB, IOC, IOA)
https://vuldb.com/vuln/360832/cti
Third Party Advisory third-party-advisory
Submit #800866 | YunaiV yudao-cloud up to 2026.01 Authentication Bypass by Primary Weakness
https://vuldb.com/submit/800866
Exploit exploit
issue-tracking
https://github.com/9str0IL/CVE/issues/1
Scores
CVSS v3
7.3
EPSS
0.0041
EPSS Percentile
32.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-287
Status
published
Products (1)
YunaiV/yudao-cloud
2026.01
Published
May 03, 2026
Tracked Since
May 03, 2026