{"id":"GHSA-cj8g-prcm-mfg5","revision":null,"records":[{"revision":"75bd7334d29d4df88ea91fb5a6d8bb7e","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-48037","aliases":[],"title":"Hulumi: AccountFoundation reuse paths silently downgrade GuardDuty / Security Hub posture","description":"Hulumi is an open-source toolkit that ships secure-by-default cloud and platform infrastructure components for Pulumi. Prior to version 1.4.0, AccountFoundation reuse paths silently downgrade GuardDuty / Security Hub posture. This issue has been patched in version 1.4.0.","state":0,"publishedAt":"2026-07-24T18:44:23.652+00:00","modifiedAt":"2026-07-27T16:05:37.812+00:00","affected":[{"ecosystem":"Vendor product","name":"hulumi","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"kerberosmansour\",\n                    \"product\": \"hulumi\",\n                    \"versions\": [\n                        {\n                            \"version\": \"< 1.4.0\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:L/SI:H/SA:N","score":6.3,"severity":"MEDIUM"}],"references":["https://github.com/kerberosmansour/hulumi/security/advisories/GHSA-cj8g-prcm-mfg5","https://github.com/kerberosmansour/hulumi/pull/178","https://github.com/kerberosmansour/hulumi/releases/tag/v1.4.0"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-48037","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-48037","identifiers":["CVE-2026-48037"]},"retained":false,"historicalAffected":[]},{"revision":"7603dd5dc24a4fd68327375c3a079542","observedAt":"2026-10-25T12:17:26.301+00:00","statement":{"source":"nvd","id":"CVE-2026-48037","aliases":[],"title":"Hulumi is an open-source toolkit that ships secure-by-default cloud and platform infrastructure components for Pulumi. Prior to version 1.4.0, AccountFoundation reuse paths silently downgrade GuardDuty / Security Hub posture. This issue has…","description":"Hulumi is an open-source toolkit that ships secure-by-default cloud and platform infrastructure components for Pulumi. Prior to version 1.4.0, AccountFoundation reuse paths silently downgrade GuardDuty / Security Hub posture. This issue has been patched in version 1.4.0.","state":0,"publishedAt":"2026-07-24T19:16:58.897+00:00","modifiedAt":"2026-10-24T13:10:00.147+00:00","affected":[],"metrics":[{"system":"CVSS 4.0 · security-advisories@github.com · Secondary","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:L/SI:H/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","score":6.3,"severity":"MEDIUM"}],"references":["https://github.com/kerberosmansour/hulumi/pull/178","https://github.com/kerberosmansour/hulumi/releases/tag/v1.4.0","https://github.com/kerberosmansour/hulumi/security/advisories/GHSA-cj8g-prcm-mfg5"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-48037","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Deferred","weaknesses":["CWE-693"],"productCriteria":[],"sourceDates":{"published":"2026-07-24T19:16:58.897","lastModified":"2026-10-24T13:10:00.147"},"relatedAdvisories":[],"note":"NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2026-48037","identifiers":["CVE-2026-48037"]},"retained":false,"historicalAffected":[]},{"revision":"63d8f2fbdab640cc825b0820cb74b606","observedAt":"2026-10-24T13:17:17.793+00:00","statement":{"source":"osv","id":"GHSA-cj8g-prcm-mfg5","aliases":["CVE-2026-48037"],"title":"@hulumi/baseline: AccountFoundation reuse paths silently downgrade GuardDuty / Security Hub posture","description":"**Affected:** `@hulumi/baseline` `< 1.4.0` — **Fixed in:** `1.4.0` — **Severity:** Medium — **CWE-693 (Protection Mechanism Failure)**\n\n#### Summary\n\n`AccountFoundation` can either create AWS detective services (GuardDuty for threat detection, Security Hub for compliance dashboards) or reuse pre-existing ones via opt-in flags. The reuse paths just imported the existing resources and reported success — they never checked whether the existing services were actually doing their job.\n\n1. **GuardDuty reuse.** If the existing detector was suspended, or set to the slower 6-hour publishing cadence instead of the baseline 15-minute one, or otherwise misconfigured — Hulumi never noticed. The deployment succeeded with a misleadingly-positive `guardDutyDetectorId` output as if the baseline were active.\n2. **Security Hub reuse.** Although the account import was read-only, Hulumi unconditionally created the CIS / NIST `StandardsSubscription` resources with default delete behaviour. Pulumi then treated those subscriptions as its own — a later `pulumi destroy` of the stack would call `BatchDisableStandards`, unsubscribing the account from CIS / NIST compliance monitoring even on accounts that had those subscriptions before Hulumi ever ran.\n\n#### Impact\n\nConsumers using `AccountFoundation`'s reuse mode could:\n\n- ship deployments that appeared to enable a detective baseline but actually weren't (case 1), or\n- accidentally turn off CIS / NIST compliance monitoring on an existing account just by destroying a Hulumi stack (case 2 — no malicious intent needed; a normal stack teardown was enough).\n\n#### Patches\n\nUpgrade to `@hulumi/baseline@1.4.0`.\n\n- GuardDuty reuse now asserts the imported detector is `ENABLED` with `findingPublishingFrequency: FIFTEEN_MINUTES`. Wrong posture fails the deploy at preview time.\n- Security Hub reuse creates the CIS / NIST `StandardsSubscription` resources with `retainOnDelete: true`, so destroying a reused stack no longer unsubscribes the account.\n\nNet-new (non-reuse) deployments are unchanged.\n\n#### Workarounds\n\nDon't reuse pre-existing detective services with `AccountFoundation` before upgrading. If reuse is unavoidable, manually verify detector posture out-of-band.\n\n#### Resources\n\n- [PR #178](https://github.com/kerberosmansour/hulumi/pull/178) (Cluster G); regression tests in\n  `packages/baseline/tests/guardduty-reuse-posture.test.ts` and\n  `packages/baseline/tests/securityhub-reuse-retain.test.ts`.","state":0,"publishedAt":"2026-06-10T13:38:59+00:00","modifiedAt":"2026-09-10T03:51:08.4804929+00:00","affected":[{"ecosystem":"npm","name":"@hulumi/baseline","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"},{"kind":"fixed","version":"1.4.0"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[{"system":"CVSS_V4","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:L/SI:H/SA:N","score":null,"severity":null},{"system":"Publisher rating","vector":null,"score":null,"severity":"MODERATE"}],"references":["https://github.com/kerberosmansour/hulumi/security/advisories/GHSA-cj8g-prcm-mfg5","https://github.com/kerberosmansour/hulumi/pull/178","https://github.com/kerberosmansour/hulumi"],"sourceUrl":"https://github.com/advisories/GHSA-cj8g-prcm-mfg5","license":"GitHub Advisory Database · CC-BY-4.0","key":"osv:GHSA-cj8g-prcm-mfg5","identifiers":["GHSA-cj8g-prcm-mfg5","CVE-2026-48037"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. Missing entries do not establish absence of exploitation.","generation":"2026-10-26T05:26:56.6538334+00:00","complete":true,"records":1756,"lastAttemptAt":"2026-10-26T05:26:56.6538334+00:00","lastSuccessAt":"2026-10-26T05:26:56.7986454+00:00","error":null,"lastVerifiedAt":"2026-10-26T05:26:56.7986482+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null},{"source":"cve-program","scope":"Official CVE Program baseline and cumulative hourly delta; all vendors, published and rejected records","generation":"cve-5ba1945314e042c2ced14b33f3680fa71692812d925544312b218f5eb8a26e71-bc703d32c448acb7291b43dd467a47b987ad86f105a430a0e30b03cf6e038792","complete":true,"records":414069,"lastAttemptAt":"2026-10-26T05:25:21.6088408+00:00","lastSuccessAt":"2026-10-26T05:25:21.5943862+00:00","error":null,"lastVerifiedAt":"2026-10-26T05:25:21.6088408+00:00","snapshotPublishedAt":"2026-10-26T04:31:21+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null},{"source":"euvd","scope":"Rolling EUVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global EUVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. No reader inventory is sent.","generation":"enrichment-43321610382942b8ad8c85917eab1546","complete":false,"records":4735,"lastAttemptAt":"2026-10-26T05:26:59.285199+00:00","lastSuccessAt":"2026-10-24T23:18:49.862+00:00","error":"InvalidDataException","lastVerifiedAt":"2026-10-24T23:18:49.862+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":4764,"expectedIdentifiers":13474},{"source":"first-epss:nuget","scope":"FIRST EPSS for explicit CVE aliases in the collected public NuGet archive. Not a global EPSS backfill.","generation":"2026-10-26T05:26:56.6538334+00:00","complete":true,"records":1093,"lastAttemptAt":"2026-10-26T05:26:56.6538334+00:00","lastSuccessAt":"2026-10-26T05:26:56.7998442+00:00","error":null,"lastVerifiedAt":"2026-10-26T05:26:56.799845+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null},{"source":"nvd","scope":"Rolling NVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global NVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. 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