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
- Klever-io Klever-go — versions >= 1.7.14, < 1.7.18
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM)
- security-advisories@github.com (x_refsource_MISC)
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.