CVSS 3.1
Вероятност да бъде експлоатирана в следващите 30 дни (EPSS)
Атакува се
Време до експлоатация
Атакува се по мрежата, без особени условия, с обикновен потребителски вход и без действие от потребителя.
- Експлоатация: няма данни за експлоатация
- Атаката не може да се автоматизира
Описание
Оригинално описание
Skipper is an HTTP router and reverse proxy for service composition. Prior to 0.26.22, Handler in dataclients/kubernetes/admission/admission.go passes the body of requests to the Kubernetes admission endpoint at :9443/admission directly to io.ReadAll(r.Body) without a size limit. An attacker with in-cluster network access and a valid Kubernetes client certificate can send a very large body that causes unbounded memory allocation and an out-of-memory termination of the Skipper process. The disruption is limited to Ingress and RouteGroup admission rather than pod creation or unrelated admission controllers, and Kubernetes normally restarts the process. This issue is fixed in version 0.26.22.
Засегнати продукти
- zalando skipper: < 0.26.22
Вид слабост
История
- 14 септември 2026 Публикувано
Други уязвимости в zalando skipper
Първоизточници
- https://www.cve.org/CVERecord?id=CVE-2026-54247
- https://nvd.nist.gov/vuln/detail/CVE-2026-54247
- https://github.com/zalando/skipper/security/advisories/GHSA-cwxq-rc9x-2jvv
- https://github.com/zalando/skipper/pull/4053
- https://github.com/zalando/skipper/commit/c3d156c6caaefecc9a46774c0f9c3c70b97160b4
- https://github.com/zalando/skipper/releases/tag/v0.26.22