Medium 5.8Published Aug 12, 2026

CVE-2026-18679Kong Mesh: kuma-dp connects to the control plane without verifying the TLS certificate when no CA is configured

Updated under an hour ago (2026-10-19 06:50 UTC)

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No exploitation reported and no EPSS estimate yet.

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Every CVE for Kong Inc. Kong Mesh

Exploited in the last 30 days

When kuma-dp is started against an HTTPS control plane and the operator did not pass a CA certificate, the data plane connects with TLS peer verification disabled, and the dataplane authentication token is sent over that unverified connection. An on-path actor can intercept the dataplane authentication token and impersonate the control plane to the data plane, injecting a forged bootstrap configuration and taking over the proxy.

CVSS: 5.8 MEDIUM (v4.0, CNA)CVSS:4.0/AV:A/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H
Weakness (CWE): CWE-295
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Kong
NVD analysis: Awaiting Analysis
Record last updated: Aug 13, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Kong Inc. Kong Mesh kong:mesh (from the name)	before 2.7.26; from 2.8.0 before 2.9.16; from 2.10.0 before 2.11.14; from 2.12.0 before 2.12.11; from 2.13.0 before 2.13.7	CNA record

References

https://github.com/kumahq/kuma/security/advisories/GHSA-wvmp-6r4v-j6cvvendor-advisory
https://github.com/kumahq/kuma/pull/16777patch
https://developer.konghq.com/mesh/changelog/release-notes

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.