{"id":"CVE-2026-48034","state":"PUBLISHED","title":"HULUMI-H5 bypass via decoy sibling resources targeting a different bucket","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, there is a bypass via decoy sibling resources targeting a different bucket. This issue has been patched in version 1.4.0.","publishedAt":"2026-07-24T18:38:53.735Z","updatedAt":"2026-07-24T20:15:32.345Z","severity":{"score":8.5,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:H/SI:H/SA:L","source":"GitHub_M"},"assigner":"GitHub_M","products":["kerberosmansour hulumi"],"affected":[{"vendor":"kerberosmansour","product":"hulumi","versions":[{"version":"< 1.4.0","status":"affected"}]}],"references":["https://github.com/kerberosmansour/hulumi/security/advisories/GHSA-9vc9-4jv3-rf86","https://github.com/kerberosmansour/hulumi/pull/175","https://github.com/kerberosmansour/hulumi/pull/178","https://github.com/kerberosmansour/hulumi/releases/tag/v1.4.0"],"weaknesses":["CWE-284"],"ingestedAt":"2026-10-29T20:12:07.131Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/48xxx/CVE-2026-48034.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-48034","state":"PUBLISHED","datePublished":"2026-07-24T18:38:53.735Z","dateUpdated":"2026-07-24T20:15:32.345Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-05-20T18:15:53.577Z"},"containers":{"cna":{"title":"HULUMI-H5 bypass via decoy sibling resources targeting a different bucket","descriptions":[{"lang":"en","value":"Hulumi is an open-source toolkit that ships secure-by-default cloud and platform infrastructure components for Pulumi. Prior to version 1.4.0, there is a bypass via decoy sibling resources targeting a different bucket. This issue has been patched in version 1.4.0."}],"affected":[{"vendor":"kerberosmansour","product":"hulumi","versions":[{"version":"< 1.4.0","status":"affected"}]}],"references":[{"url":"https://github.com/kerberosmansour/hulumi/security/advisories/GHSA-9vc9-4jv3-rf86","name":"https://github.com/kerberosmansour/hulumi/security/advisories/GHSA-9vc9-4jv3-rf86","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/kerberosmansour/hulumi/pull/175","name":"https://github.com/kerberosmansour/hulumi/pull/175","tags":["x_refsource_MISC"]},{"url":"https://github.com/kerberosmansour/hulumi/pull/178","name":"https://github.com/kerberosmansour/hulumi/pull/178","tags":["x_refsource_MISC"]},{"url":"https://github.com/kerberosmansour/hulumi/releases/tag/v1.4.0","name":"https://github.com/kerberosmansour/hulumi/releases/tag/v1.4.0","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"HIGH","subIntegrityImpact":"HIGH","subAvailabilityImpact":"LOW","baseScore":8.5,"baseSeverity":"HIGH","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:H/SI:H/SA:L","version":"4.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-284","lang":"en","description":"CWE-284: Improper Access Control","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-07-24T18:38:53.735Z"},"source":{"advisory":"GHSA-9vc9-4jv3-rf86","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-24T20:15:09.201783Z","id":"CVE-2026-48034","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-07-24T20:15:32.345Z"}}]}}}