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.
History

Mon, 04 May 2026 15:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Sun, 03 May 2026 05:30:00 +0000

Type Values Removed Values Added
First Time appeared Yunaiv
Yunaiv yudao-cloud
Vendors & Products Yunaiv
Yunaiv yudao-cloud

Sun, 03 May 2026 04:30:00 +0000

Type Values Removed Values Added
Description 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.
Title YunaiV yudao-cloud OAuth2TokenServiceImpl.java getAccessToken improper authentication
Weaknesses CWE-287
References
Metrics cvssV2_0

{'score': 7.5, 'vector': 'AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 7.3, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 7.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R'}

cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published: 2026-05-03T04:15:10.929Z

Updated: 2026-05-04T14:55:27.068Z

Reserved: 2026-05-02T08:39:00.470Z

Link: CVE-2026-7679

cve-icon Vulnrichment

Updated: 2026-05-04T14:55:21.763Z

cve-icon NVD

Status : Deferred

Published: 2026-05-03T05:15:59.207

Modified: 2026-05-05T19:13:44.530

Link: CVE-2026-7679

cve-icon Redhat

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