CVE Watch30 de out. de 2026

CVE-2026-59387

The Nginx routing configuration for Cloud Controller blocks unauthenticated access to /internal/v4/ and /internal/v5/ endpoints but omits an

CVSS

8.8

Alta

EPSS

0.2%

p14

KEV

—

Exploit Today

0-100

Publicado: 30 de out. de 2026 · Última mod.: 30 de out. de 2026 · CWE-284

EPSS · 30d

0.2%EPSS · 30 dias0.3%

2026-10-302026-11-07

Descrição técnica

The Nginx routing configuration for Cloud Controller blocks unauthenticated access to /internal/v4/ and /internal/v5/ endpoints but omits an equivalent deny rule for /internal/v3/. As a result, the staging callback endpoints /internal/v3/staging/:guid/droplet_completed and /internal/v3/staging/:guid/build_completed are reachable from the public API listener without OAuth or mutual TLS. An attacker with a valid build or droplet GUID can submit a forged staging callback, transition a droplet to STAGED, and persist arbitrary process metadata and sidecar data with no associated package or actor. A SpaceAuditor can enumerate GUIDs without write permissions, making this an effective privilege escalation beyond the intended role boundary.

Referências oficiais

www.cloudfoundry.orghttps://www.cloudfoundry.org/blog/cve-2026-59387-broken-access-control-restriction-in-cloud-controller-api/

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