CVE-2026-84114

Cleo Harmony SAML Authentication LocalUserUtil.getNativeUserByAssertions improper authentication

MEDIUM
6.3
CVSS Score
Published: September 1, 2026 at 02:45 PM UTC
Updated: September 1, 2026 at 09:01 PM UTC
1 product affected across 1 vendorHarmony

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Severity
MEDIUM6.3
Exploit prediction
EPSS 0.5%
SSVC
No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (5)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/397557
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/397557/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-84114
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/882467

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.3MEDIUMVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-287

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