CVSS 4.0
5.5 mediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:PCVE-2026-84115
Medium (5.5). EPSS 0.5% chance of exploitation in the next 30 days.
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.
Severity
CVSS 3.1
8.3 highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L- EPSS
- 0.5% chance of exploitation in the next 30 days; higher than 40% of CVEs (scores of 2026-10-31)
- CWEs
- CWE-266, CWE-269
- Published
- Modified
- Record from
- the NVD, synced