Unintended Proxy or Intermediary ('Confused Deputy') Affecting github.com/zalando/skipper/dataclients/kubernetes package, versions <0.24.0
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-GOLANG-GITHUBCOMZALANDOSKIPPERDATACLIENTSKUBERNETES-15117538
- published27 Jan 2026
- disclosed26 Jan 2026
- creditb0b0haha, moyushui, j311yl0v3u
Introduced: 26 Jan 2026
CVE-2026-24470 Â (opens in a new tab)How to fix?
Upgrade github.com/zalando/skipper/dataclients/kubernetes to version 0.24.0 or higher.
Overview
Affected versions of this package are vulnerable to Unintended Proxy or Intermediary ('Confused Deputy') due to the unsafe usage of Kubernetes ExternalName type with Ingress controller. An attacker can gain unauthorized access to internal services, leveraging the controller's network privileges to route requests to otherwise inaccessible endpoints.
Workaround
This vulnerability can be mitigated by allow-listing targets of an ExternalName and allow-listing via regular expressions.