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GHSA-v95x-xhq5-4929
github.com/kumahq/kuma/v2github.com/kumahq/kuma/v2github.com/kumahq/kuma/v2When an operator adds an HTTPS control plane profile to kumactl without providing a CA certificate, kumactl disables TLS verification and sends API tokens over the unverified connection
Impact
An attacker on the network path between the operator and the control plane can intercept user or admin API tokens and then act against the control plane as that user
Affected configurations
kumactlprofiles manually added against an HTTPS control plane endpoint without--ca-cert-file
Not affected
- The default local profile, which uses plain HTTP
Workarounds
When adding an HTTPS control plane profile to kumactl, always pass --ca-cert-file pointing at the control plane's serving CA. Alternatively, terminate the control plane behind a publicly trusted certificate; the patched releases will verify successfully against the operating system trust store with no further configuration
Resources
- Fix: https://github.com/kumahq/kuma/pull/16777
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The vulnerability can be exploited over a local network, such as Wi-Fi. It is difficult for an attacker to exploit this vulnerability and may require special conditions. An attacker does not need any special privileges or access rights.
Limited exploitation activity has been observed. Close monitoring and planned remediation are recommended.
The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.
We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.
- CVE-2026-50166
Kuma is a modern Envoy-based service mesh that can run on every cloud across both Kubernetes and VMs. Prior to 2.7.26, 2.9.16, 2.11.14, 2.12.11, and 2.13.7, a kumactl profile manually configured for an HTTPS control plane without --ca-cert-file disables TLS peer verification and sends API tokens over the unverified connection. An attacker on the network path can intercept user or administrator API tokens and act against the control plane as the compromised user. The default local profile is unaffected because it uses plain HTTP. This issue is fixed in versions 2.7.26, 2.9.16, 2.11.14, 2.12.11, and 2.13.7.
Alias, EPSS 0.27% - EUVD-2026-57425Alias
- CVE-2026-18678
When an operator adds an HTTPS control plane profile to kumactl without providing a CA certificate, kumactl disables TLS verification and sends API tokens over the unverified connection. An attacker on the network path between the operator and the control plane can intercept user or admin API tokens and then act against the control plane as that user.
Alias, EPSS 0.27% - EUVD-2026-78773Alias
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