CVE-2026-18674: Kong Inc. Kong Mesh

Kong Mesh multi-zone: the global control plane attributes KDS-synced resources by an unvalidated in-band zone identifier

CVSS 7.0 HighEPSS 0.0056 · 46th percentile

Published by the CVE Program (CNA: Kong) at 17 Aug 2026, 12:08 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Kong Inc.	Kong Mesh	affected before 2.7.29 semver affected 2.8.0 to before 2.9.19 semver affected 2.10.0 to before 2.11.18 semver affected 2.12.0 to before 2.12.14 semver affected 2.13.0 to before 2.13.10 semver affected 2.14.0 to before 2.14.2 semver Other versions: unaffected

Identifiers

CVE-2026-18674

CNA

Kong

Weakness (CWE)

CWE-345 · CWE-863

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
7.0	High	4.0	CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:H/VA:N/SC:L/SI:L/SA:N	CNA (Kong)

CISA KEV Not listed.
EPSS 0.0056, the 46th percentile, on 6 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 17 Aug 2026. New records show when each source confirmed them.

Sources

References from the CNA

github.com/kumahq/kuma/security/advisories/GHSA-m58j-fjmc-h3g4 vendor-advisory
github.com/kumahq/kuma/pull/17456 patch
github.com/kumahq/kuma/pull/17458 patch
github.com/kumahq/kuma/pull/17461 patch
github.com/kumahq/kuma/pull/17463 patch
github.com/kumahq/kuma/pull/17462 patch
github.com/kumahq/kuma/pull/17460 patch
github.com/kumahq/kuma/pull/17459 patch
developer.konghq.com/mesh/changelog/ release-notes

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.