CVE-2026-84114CWE-287

CVE-2026-84114

Medium · published September 1, 2026

CVSS v3.1
6.3
EPSS
0%
Percentile
38.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CVSS v4.0
5.3 · CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
EPSS
0.00458 · 38.7th percentile
Weakness
CWE-287 · Improper Authentication
Published
2026-09-01T19:17Z
References (5)
https://support.cleo.com/hc/en-us/articles/30258468834583-Cleo-Harmony-5-8-1-Release-Notes#Version58111 · [email protected]https://vuldb.com/cve/CVE-2026-84114 · [email protected]https://vuldb.com/submit/882467 · [email protected]https://vuldb.com/vuln/397557 · [email protected]https://vuldb.com/vuln/397557/cti · [email protected]
EPSS history
Timeline
  • 03 SEP 03:32Z
    EPSS moved — → 0%
    epss
  • 01 SEP 14:45Z
    Cleo Harmony SAML Authentication LocalUserUtil.getNativeUserByAssertions improper authentication
    cvelistv5