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CVE-2026-84114

Cleo Harmony SAML Authentication LocalUserUtil.getNativeUserByAssertions improper authentication

Published: Sep 1, 2026Updated: Sep 1, 2026 Sources: CVE List NVDCWE-287
6.3MEDIUM
NVD MITRE
EPSS Score
0.3%
Top 72.8%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available
Self-Check
Not available

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:LI:LA:L
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:LAvailability
Low
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Weaknesses

CWE-287

Affected Products

Cleo
commercialaka cleo harmony, harmony, lexicom
HarmonyMixed
Enterprise Software / document-mgmt

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques
Initial Access
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References

https://vuldb.com/vuln/397557
vuldb.com
https://vuldb.com/vuln/397557/cti
vuldb.com
https://vuldb.com/cve/CVE-2026-84114
vuldb.com
and 2 more references View all →

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