What is CVE-2026-52880?

CVE-2026-52880 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-2026-52880?

High severity. CVSS v3 base score is 7.5 out of 10.

Resource exhaustion in Klever-io Klever-go

CVE-2026-52880

Klever-Go is the Go implementation of the Klever blockchain protocol. Versions from 1.7.14 through 1.7.17 are vulnerable to a remotely triggerable denial of service. Both REST APIs are started with the Gin Engine.Run convenience method, wh…

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)

CWE-400 — Uncontrolled Resource Consumption
CWE-770 — Allocation of Resources Without Limits or Throttling

References

security-advisories@github.com (x_refsource_CONFIRM)
security-advisories@github.com (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-52880?: CVE-2026-52880 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-2026-52880?: High severity. CVSS v3 base score is 7.5 out of 10.