{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-40964", "assignerOrgId": "dcf2e128-44bd-42ed-91e8-88f912c1401d", "state": "PUBLISHED", "assignerShortName": "vmware", "dateReserved": "2026-04-16T02:18:56.132Z", "datePublished": "2026-06-01T21:02:26.532Z", "dateUpdated": "2026-06-01T21:02:26.532Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "dcf2e128-44bd-42ed-91e8-88f912c1401d", "shortName": "vmware", "dateUpdated": "2026-06-01T21:02:26.532Z"}, "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-287: Improper Authentication", "cweId": "CWE-287", "type": "CWE"}]}], "impacts": [{"descriptions": [{"lang": "en", "value": "An unauthenticated remote attacker can gain read access to all logs and metrics for every application and platform component (confidentiality impact: HIGH; integrity and availability unaffected)."}]}], "affected": [{"vendor": "Cloud Foundry Foundation", "product": "log-cache_release", "versions": [{"status": "affected", "version": "0", "lessThanOrEqual": "3.2.6", "versionType": "custom"}], "defaultStatus": "unaffected"}, {"vendor": "Cloud Foundry Foundation", "product": "CF Deployment", "versions": [{"status": "affected", "version": "0", "lessThanOrEqual": "55.?.0", "versionType": "custom"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "Authentication Bypass in cf-auth-proxy in Cloud Foundry Foundation all installations allows an unauthenticated remote attacker to gain read access to every log and metric for every application and platform component via minting a JWT that the cf-auth-proxy accepts as a valid logs.admin token.\n\nAffected versions:\n- log-cache_release: all versions through v3.2.6 (inclusive); fixed in v3.2.7 or later\n- CF Deployment: all versions through v55.?.0 (inclusive); fixed in v55.?.0 or later (bundles log-cache_release v3.2.7)", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Authentication Bypass in cf-auth-proxy in Cloud Foundry Foundation all installations allows an unauthenticated remote attacker to gain read access to every log and metric for every application and platform component via minting a JWT that the cf-auth-proxy accepts as a valid logs.admin token.\n\nAffected versions:\n- log-cache_release: all versions through v3.2.6 (inclusive); fixed in v3.2.7 or later\n- CF Deployment: all versions through v55.?.0 (inclusive); fixed in v55.?.0 or later (bundles log-cache_release v3.2.7)"}]}], "references": [{"url": "https://www.cloudfoundry.org/blog/cve-2026-40964-read-access-to-cf-logs/"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:P/RL:X/RC:X/CR:M/IR:X/AR:X/MAV:N/MAC:L/MPR:N/MUI:N/MS:U/MC:H/MI:N/MA:N", "baseScore": 7.5, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE"}}], "source": {"discovery": "INTERNAL"}, "x_generator": {"engine": "Vulnogram 1.0.1"}}}}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "Authentication Bypass in cf-auth-proxy in Cloud Foundry Foundation all installations allows an unauthenticated remote attacker to gain read access to every log and metric for every application and platform component via minting a JWT that the cf-auth-proxy accepts as a valid logs.admin token.\n\nAffected versions:\n- log-cache_release: all versions through v3.2.6 (inclusive); fixed in v3.2.7 or later\n- CF Deployment: all versions through v55.?.0 (inclusive); fixed in v55.?.0 or later (bundles log-cache_release v3.2.7)"}], "id": "CVE-2026-40964", "lastModified": "2026-06-01T22:16:25.463", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "security@vmware.com", "type": "Secondary"}]}, "published": "2026-06-01T22:16:25.463", "references": [{"source": "security@vmware.com", "url": "https://www.cloudfoundry.org/blog/cve-2026-40964-read-access-to-cf-logs/"}], "sourceIdentifier": "security@vmware.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-287"}], "source": "security@vmware.com", "type": "Secondary"}]}

{}

{"created": "2026-06-01T23:00:16.769361+00:00", "title": "Unauthenticated Access to Cloud Foundry Logs via cf-auth-proxy JWT Bypass", "updated": "2026-06-01T23:00:16.769374+00:00", "vendors": []}