PT-2026-71208 · Kong · Kong Mesh

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CVE-2026-18677

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Published

2026-08-12

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Updated

2026-08-12

CVSS v4.0

6.0

Medium

VectorAV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Name of the Vulnerable Software and Affected Versions Kong Mesh (affected versions not specified)
Description In Kong Mesh running in universal mode with a MeshIdentity whose SPIFFE ID path template derives from the dataplane's kuma.io/workload label, the XDS authenticator in kuma-cp only validates that label when the dataplane token is bound to a workload. Since workload binding is optional, a dataplane using a tags-bound token can register with the kuma.io/workload label set to any value, allowing it to obtain the SPIFFE identity of another workload.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Authentication Bypass by Spoofing

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Weakness Enumeration

Related Identifiers

CVE-2026-18677
GHSA-744G-C785-X65Q

Affected Products

Kong Mesh