{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-59387", "assignerOrgId": "dcf2e128-44bd-42ed-91e8-88f912c1401d", "state": "PUBLISHED", "assignerShortName": "vmware", "dateReserved": "2026-07-04T18:15:19.504Z", "datePublished": "2026-10-30T08:47:59.006Z", "dateUpdated": "2026-10-30T08:47:59.006Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "dcf2e128-44bd-42ed-91e8-88f912c1401d", "shortName": "vmware", "dateUpdated": "2026-10-30T08:47:59.006Z"}, "title": "Broken access control restriction in Cloud Controller API", "affected": [{"vendor": "Cloud Foundry", "product": "CAPI (Cloud Controller API)", "versions": [{"status": "affected", "version": "0", "lessThan": "v1.247.0", "versionType": "semver"}]}, {"vendor": "Cloud Foundry", "product": "cf-deployment", "versions": [{"status": "affected", "version": "0", "lessThan": "60.7.0", "versionType": "semver"}]}], "descriptions": [{"lang": "en", "value": "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.\n\n\n\n\u00a0\n\n\n\nAn 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.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>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.</p><p>&nbsp;</p><p>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.</p>"}]}], "references": [{"url": "https://www.cloudfoundry.org/blog/cve-2026-59387-broken-access-control-restriction-in-cloud-controller-api/"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseSeverity": "HIGH", "baseScore": 8.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}}]}}}

{}

{"affected": [{"affectedData": [{"product": "CAPI (Cloud Controller API)", "vendor": "Cloud Foundry", "versions": [{"lessThan": "v1.247.0", "status": "affected", "version": "0", "versionType": "semver"}]}, {"product": "cf-deployment", "vendor": "Cloud Foundry", "versions": [{"lessThan": "60.7.0", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "security@vmware.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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.\n\n\n\n\u00a0\n\n\n\nAn 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."}], "id": "CVE-2026-59387", "lastModified": "2026-10-30T09:17:14.913", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "security@vmware.com", "type": "Secondary"}]}, "published": "2026-10-30T09:17:14.913", "references": [{"source": "security@vmware.com", "url": "https://www.cloudfoundry.org/blog/cve-2026-59387-broken-access-control-restriction-in-cloud-controller-api/"}], "sourceIdentifier": "security@vmware.com", "vulnStatus": "Received"}

{}

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