Medium severity6.3NVD Advisory· Published Sep 1, 2026

CVE-2026-84114

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.

Affected products

Cleo/Harmonyllm-fuzzy
Range: <=5.8.1.10

Patches

Vulnerability mechanics

References

support.cleo.com/hc/en-us/articles/30258468834583-Cleo-Harmony-5-8-1-Release-Notesnvd
vuldb.com/cve/CVE-2026-84114nvd
vuldb.com/submit/882467nvd
vuldb.com/vuln/397557nvd
vuldb.com/vuln/397557/ctinvd

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