MEDIUM 5.5 NVD
CVE-2026-84115
A vulnerability was found in Cleo Harmony up to 5.8.1.10. The affected element is an unknown function of the file /api/connections of the component JWT Refresh
A vulnerability was found in Cleo Harmony up to 5.8.1.10. The affected element is an unknown function of the file /api/connections of the component JWT Refresh Token Handler. Performing a manipulation of the argument Bearer results in improper privilege management. The attack is possible to be carried out remotely. The exploit has been made public and could be used. Upgrading to version 5.8.1.11 is sufficient to fix this issue. It is recommended to upgrade the affected component.
References
- https://support.cleo.com/hc/en-us/articles/30258468834583-Cleo-Harmony-5-8-1-Release-Notes
- https://vuldb.com/cve/CVE-2026-84115
- https://vuldb.com/submit/882468
- https://vuldb.com/vuln/397558
- https://vuldb.com/vuln/397558/cti
This medium severity vulnerability with a CVSS score of 5.5 was published on 2026-09-01 via NVD.
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