{"cve":"CVE-2026-18679","nvd":{"published":"2026-08-12T20:17:41.957","modified":"2026-10-23T19:10:00.167","status":"Awaiting Analysis","description":"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.\n\n\n\nAn 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_v4":{"vector":"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","score":5.8},"cvss_v3":null,"cwes":["CWE-295"],"references":["https://developer.konghq.com/mesh/changelog/","https://github.com/kumahq/kuma/pull/16777","https://github.com/kumahq/kuma/security/advisories/GHSA-wvmp-6r4v-j6cv"],"products":[],"source":"nvd","synced_at":"2026-10-24T16:53:35.584907681+00:00"},"epss":{"cve":"CVE-2026-18679","score":0.00158,"percentile":0.04939,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-wvmp-6r4v-j6cv","url":"https://osv.dev/vulnerability/GHSA-wvmp-6r4v-j6cv","summary":"kuma-dp connects to control plane without verifying TLS certificate when no CA is configured","modified":"2026-08-13T04:10:47.070428214Z","packages":[{"ecosystem":"Go","name":"github.com/kumahq/kuma/v2","purl":"pkg:golang/github.com/kumahq/kuma/v2","ranges":["<2.7.26"],"fixed":["2.7.26"]},{"ecosystem":"Go","name":"github.com/kumahq/kuma/v2","purl":"pkg:golang/github.com/kumahq/kuma/v2","ranges":[">=2.8.0 <2.9.16"],"fixed":["2.9.16"]},{"ecosystem":"Go","name":"github.com/kumahq/kuma/v2","purl":"pkg:golang/github.com/kumahq/kuma/v2","ranges":[">=2.10.0 <2.11.14"],"fixed":["2.11.14"]},{"ecosystem":"Go","name":"github.com/kumahq/kuma/v2","purl":"pkg:golang/github.com/kumahq/kuma/v2","ranges":[">=2.12.0 <2.12.11"],"fixed":["2.12.11"]},{"ecosystem":"Go","name":"github.com/kumahq/kuma/v2","purl":"pkg:golang/github.com/kumahq/kuma/v2","ranges":[">=2.13.0 <2.13.7"],"fixed":["2.13.7"]},{"ecosystem":"Go","name":"github.com/kumahq/kuma","purl":"pkg:golang/github.com/kumahq/kuma","ranges":["<=1.8.1"],"fixed":[]}]},{"id":"GO-2026-6013","url":"https://osv.dev/vulnerability/GO-2026-6013","summary":"kuma-dp connects to control plane without verifying TLS certificate when no CA is configured in github.com/kumahq/kuma","modified":"2026-08-13T04:10:47.070428214Z","packages":[{"ecosystem":"Go","name":"github.com/kumahq/kuma","purl":"pkg:golang/github.com/kumahq/kuma","ranges":["all versions"],"fixed":[]},{"ecosystem":"Go","name":"github.com/kumahq/kuma/v2","purl":"pkg:golang/github.com/kumahq/kuma/v2","ranges":["<2.7.26",">=2.9.13 <2.11.14",">=2.12.4 <2.12.11",">=2.13.0 <2.13.7"],"fixed":["2.7.26","2.11.14","2.12.11","2.13.7"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}