SSRF in Zalando Skipper
CVE-2026-24470
Skipper is an HTTP router and reverse proxy for service composition. Prior to version 0.24.0, when running Skipper as an Ingress controller, users with permissions to create an Ingress and a Service of type ExternalName can create routes t…
EPSS: 0.000 (13.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.
Affected products
- Zalando Skipper — versions < 0.24.0
Weakness classification (CWE)
References
- https://github.com/zalando/skipper/security/advisories/GHSA-mxxc-p822-2hx9 (x_refsource_CONFIRM)
- https://github.com/zalando/skipper/commit/a4c87ce029a58eb8e1c2c1f93049194a39cf6219 (x_refsource_MISC)
- https://kubernetes.io/docs/concepts/services-networking/service/#externalname (x_refsource_MISC)
Frequently asked questions
- What is CVE-2026-24470?
- CVE-2026-24470 is a high-severity vulnerability in Zalando Skipper, classified under Unintended Proxy or Intermediary (Confused Deputy). CVSS score: 8.1/10. Published 2026-01-26.
- How severe is CVE-2026-24470?
- High severity. CVSS v3 base score is 8.1 out of 10.