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CVE-2026-84114— Cleo Harmony SAML Authentication LocalUserUtil.getNativeUserByAssertions improper authentication

Quick assessment

Affected
Cleo Harmony
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Cleo Harmony是美国Cleo公司的一款企业业务协作与集成解决方案。 Cleo Harmony 5.8.1.10及之前版本存在授权问题漏洞，该漏洞源于SAML Authentication组件中LocalUserUtil.getNativeUserByAssertions函数对Email参数操作不当，可能导致身份验证不当。

CVSS 6.3 · Medium EPSS 0.46% · P39

Affected Version Matrix 12

VendorProduct Version RangeStatus
Cleo Harmony 5.8.1.0 affected
5.8.1.1 affected
5.8.1.2 affected
5.8.1.3 affected
5.8.1.4 affected
5.8.1.5 affected
5.8.1.6 affected
5.8.1.7 affected
… +4 more rows
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I. Basic Information for CVE-2026-84114

Vulnerability Information
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Vulnerability Title
Cleo Harmony SAML Authentication LocalUserUtil.getNativeUserByAssertions improper authentication
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability has been found in Cleo Harmony up to 5.8.1.10. Impacted is the function LocalUserUtil.getNativeUserByAssertions of the component SAML Authentication. Such manipulation of the argument Email leads to improper authentication. The attack can be executed remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 5.8.1.11 is recommended to address this issue. Upgrading the affected component is recommended.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
认证机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Cleo Harmony 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cleo Harmony是美国Cleo公司的一款企业业务协作与集成解决方案。 Cleo Harmony 5.8.1.10及之前版本存在授权问题漏洞，该漏洞源于SAML Authentication组件中LocalUserUtil.getNativeUserByAssertions函数对Email参数操作不当，可能导致身份验证不当。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Cleo Harmony 5.8.1.0 cpe:2.3:a:cleo:harmony:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-84114

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III. Intelligence Information for CVE-2026-84114

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Vendor Advisories for CVE-2026-84114 (1)

Security Blog Posts for CVE-2026-84114 (1)

Vendor Pages for CVE-2026-84114 (1)

Other References for CVE-2026-84114 (1)

IV. Related Vulnerabilities

Same product: Harmony
Same vendor: Cleo
Same weakness: CWE-287

V. Comments for CVE-2026-84114

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