CVE-2026-84114
Medium
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.
SeverityMedium
CVSS6.3
Exploit probability—
ProductCleo Harmony
PublishedSep 1, 2026
First seenSep 1, 2026
Weakness typeCWE-287Improper authentication
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| cleo harmony | 5.8.1.0, 5.8.1.1, 5.8.1.2, 5.8.1.3, 5.8.1.4, 5.8.1.5, 5.8.1.6, 5.8.1.7, 5.8.1.8, 5.8.1.9, 5.8.1.10 | — |
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