CVE Watch4 de nov. de 2026

CVE-2026-91168

Warpgate is an open source SSH, HTTPS, and MySQL bastion host for Linux. From 0.21.0 until 0.29.0, the Kubernetes request correlator in warp

CVSS

6.8

Média

EPSS

0.3%

p21

KEV

—

Exploit Today

0-100

Publicado: 4 de nov. de 2026 · Última mod.: 4 de nov. de 2026 · CWE-639

EPSS · 30d

Ainda não há histórico EPSS suficiente.

Descrição técnica

Warpgate is an open source SSH, HTTPS, and MySQL bastion host for Linux. From 0.21.0 until 0.29.0, the Kubernetes request correlator in warpgate-protocol-kubernetes/src/correlator.rs keys an authorized AdmittedTarget by username, target_name, and client IP rather than by the immutable user UUID, while KubernetesSessionHandle::close does not evict the entry. If an account is deleted and a different low-privilege account is created with the same username, the replacement account can successfully authenticate as that recreated username and reuse the predecessor's still-live correlation entry when requesting the same target from the same client IP before kubernetes.session_max_age expires. Current-request authentication still occurs, but the reused entry bypasses a fresh target authorization check and can cause Warpgate to proxy requests with Kubernetes target credentials that the replacement account is not authorized to use, exposing cluster resources or permitting unauthorized mutations. This issue is fixed in version 0.29.0.

Referências oficiais

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