Default kuma-cp leaks admin token cross-origin via CORS wildcard + LocalhostIsAdmin in github.com/kumahq/kuma
Default kuma-cp leaks admin token cross-origin via CORS wildcard + LocalhostIsAdmin in github.com/kumahq/kuma. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. (If this is causing false-positive reports from vulnerability scanners, please suggest an edit to the report.) The additional affected modules and versions are: github.com/kumahq/kuma/v2 from v2.9.0 before v2.9.15.
describes (2)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2026-18676US | — | — | ||
The default kuma-cp configuration in Kong Mesh reveals the admin bootstrap token and signing keys to any webpage the operator visits while the control plane is reachable from their… | ||||
| CVE-2026-45021US | — | — | ||
Kuma is a modern Envoy-based service mesh that can run on every cloud across both Kubernetes and VMs. Prior to 2.7.25, 2.9.15, 2.11.13, 2.12.10, and 2.13.5, the default kuma-cp con… | ||||
references
External citations — patches, advisories, analysis.
- https://github.com/kumahq/kuma/commit/8fefa8595d44eb68d922405702ed7a0826322907FIX
- https://github.com/kumahq/kuma/pull/16416FIX
- https://github.com/kumahq/kuma/pull/16423FIX
- https://github.com/kumahq/kuma/pull/16424FIX
- https://github.com/kumahq/kuma/pull/16425FIX
- https://github.com/kumahq/kuma/pull/16426FIX
- https://github.com/kumahq/kuma/pull/16427FIX
- https://github.com/kumahq/kuma/security/advisories/GHSA-3vcp-chfh-f6r2ADVISORY
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