Cleo Harmony vulnerabilities
3 known CVE vulnerabilities in Cleo Harmony, translated and rated.
- CVE-2026-84115High
A vulnerability in Cleo Harmony up to version 5.8.1.10 affects an unknown function in the /api/connections file of the JWT Refresh Token Handler component. Manipulation of the Bearer argument leads to improper privilege management. The attack can be carried out remotely, and the exploit has been made public.
- CVE-2026-84114Medium
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.
- CVE-2024-55956CriticalActively exploited
In Cleo Harmony, VLTrader, and LexiCom before 5.8.0.24, an unauthenticated user can import and execute arbitrary Bash or PowerShell commands on the host system by leveraging the default settings of the Autorun directory.