Resource exhaustion in Klever-io Klever-go

CVE-2026-52879

Klever-Go is the Go implementation of the Klever blockchain protocol. In versions 1.7.14 through 1.7.17, the direct-message ingress handler spawns a new goroutine for every incoming direct message before the processor-level antiflood layer…

Vulnerability class: DoS (Denial of Service)

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-52879?
CVE-2026-52879 is a high-severity vulnerability in Klever-io Klever-go, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2026-08-07.
How severe is CVE-2026-52879?
High severity. CVSS v3 base score is 7.5 out of 10.