What is CVE-2026-6993?

CVE-2026-6993 is a medium-severity vulnerability in Go-kratos Kratos, classified under Unintended Proxy or Intermediary (Confused Deputy). CVSS score: 5.3/10. Published 2026-04-25.

How severe is CVE-2026-6993?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Go-kratos Kratos

CVE-2026-6993

A security flaw has been discovered in go-kratos kratos up to 2.9.2. This impacts the function NewServer of the file transport/http/server.go of the component http.DefaultServeMux Fallback Handler. The manipulation results in unintended in…

EPSS: 0.003 (23.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Go-kratos Kratos — versions 2.9.0, 2.9.1, 2.9.2

Weakness classification (CWE)

CWE-441 — Unintended Proxy or Intermediary (Confused Deputy)

References

cna@vuldb.com (technical-description, vdb-entry)
cna@vuldb.com (signature, permissions-required)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (issue-tracking, exploit)
cna@vuldb.com (issue-tracking, patch)
cna@vuldb.com (patch)
cna@vuldb.com (product)

Frequently asked questions

What is CVE-2026-6993?: CVE-2026-6993 is a medium-severity vulnerability in Go-kratos Kratos, classified under Unintended Proxy or Intermediary (Confused Deputy). CVSS score: 5.3/10. Published 2026-04-25.
How severe is CVE-2026-6993?: Medium severity. CVSS v3 base score is 5.3 out of 10.