What is CVE-2026-52878?

CVE-2026-52878 is a high-severity vulnerability in Klever-io Klever-go, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2026-08-07.

How severe is CVE-2026-52878?

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

NULL pointer dereference in Klever-io Klever-go

CVE-2026-52878

Klever-Go is the Go implementation of the Klever blockchain protocol. Versions 1.7.14 through 1.7.17 are vulnerable to a nil-pointer panic triggered by a protobuf Transaction whose embedded RawData sub-message is omitted. This omission cau…

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-476 — NULL Pointer Dereference

References

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

Frequently asked questions

What is CVE-2026-52878?: CVE-2026-52878 is a high-severity vulnerability in Klever-io Klever-go, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2026-08-07.
How severe is CVE-2026-52878?: High severity. CVSS v3 base score is 7.5 out of 10.