CVE-2026-55998
The endpoint /v3/import/{token}_{clusterId}.yaml retrieves the cluster object before validating the token. When a valid cluster ID reference
CVSS
5.3
Medio
EPSS
0.2%
p11
KEV
—
Exploit Today
3
0-100
Publicado: 5 ago 2026 · Última mod.: 5 ago 2026 · CWE-204
0.2%EPSS · 30 días0.2%
2026-08-052026-08-09
The endpoint /v3/import/{token}_{clusterId}.yaml retrieves the cluster object before validating the token. When a valid cluster ID references a cluster that has private registry secrets configured, a nil pointer dereference in pkg/systemtemplate/private_registry.go causes the request to return HTTP 502 Bad Gateway. For cluster IDs that do not exist, the endpoint returns HTTP 200. This observable difference in response codes constitutes a reliable enumeration oracle.
CVECVSSEPSSKEVRExplotTítuloVis.
CVE-2026-725885.3 MED—
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