CVE-2026-84114Cleo Harmony SAML Authentication LocalUserUtil.getNativeUserByAssertions improper authentication
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No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 6.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
- Weakness (CWE)
- CWE-287
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulDB
- NVD analysis
- Deferred
- Record last updated
- Sep 1, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Cleo Harmony 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; and 4 more ranges | CNA record |
References
- https://vuldb.com/vuln/397557vdb-entry, technical-description
- https://vuldb.com/vuln/397557/ctisignature, permissions-required
- https://vuldb.com/cve/CVE-2026-84114third-party-advisory
- https://vuldb.com/submit/882467third-party-advisory
- https://support.cleo.com/hc/en-us/articles/30258468834583-Cleo-Harmony-5-8-1-Release-Notes#Version58111broken-link, patch
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.