{"id":"EUVD-2026-15000","enisaUuid":"431f2a8c-5716-31c3-af5e-e5765a1a8da5","description":"MinIO is a high-performance object storage system. Prior to RELEASE.2026-03-17T21-25-16Z, MinIO AIStor\u0027s STS (Security Token Service) AssumeRoleWithLDAPIdentity endpoint is vulnerable to LDAP credential brute-forcing due to two combined weaknesses: (1) distinguishable error responses that enable username enumeration, and (2) absence of rate limiting on authentication attempts. An unauthenticated network attacker can enumerate valid LDAP usernames and then perform unlimited password guessing to obtain temporary AWS-style STS credentials, gaining access to the victim\u0027s S3 buckets and objects. This issue has been patched in RELEASE.2026-03-17T21-25-16Z.","datePublished":"Mar 24, 2026, 7:05:30 PM","dateUpdated":"Mar 25, 2026, 1:24:44 PM","baseScore":9.1,"baseScoreVersion":"4.0","baseScoreVector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","references":"https://github.com/minio/minio/security/advisories/GHSA-jv87-32hw-hh99\n","aliases":"CVE-2026-33419\nGHSA-jv87-32hw-hh99\n","assigner":"GitHub_M","epss":0.46,"enisaIdProduct":[{"id":"209a9a0e-17eb-3174-b65c-6c31bf034345","product":{"name":"minio","vendor":{"name":"minio"}},"product_version":"\u003c RELEASE.2026-03-17T21-25-16Z"}],"enisaIdVendor":[{"id":"dd351736-78a0-3370-b64d-2b3315eae315","vendor":{"name":"minio"}}],"enisaIdVulnerability":[{"id":"1b886621-e83b-3f8d-9d20-e9265e52cdba","vulnerability":{"id":"GHSA-jv87-32hw-hh99","description":"MinIO LDAP login brute-force via user enumeration and missing rate limit","datePublished":"Mar 20, 2026, 8:47:54 PM","dateUpdated":"Mar 27, 2026, 9:59:08 PM","baseScore":0.0,"references":"https://github.com/minio/minio/security/advisories/GHSA-jv87-32hw-hh99\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-33419\nhttps://github.com/minio/minio\n","enisa_id":"EUVD-2026-15000\n","aliases":"CVE-2026-33419\nGHSA-jv87-32hw-hh99\n","epss":0.0,"dataProcessed":"Oct 25, 2026, 1:54:31 AM","vulnerabilityProduct":[],"vulnerabilityVendor":[]}},{"id":"a80b4cd6-606d-38de-89b3-a43884f7c29f","vulnerability":{"id":"CVE-2026-33419","description":"MinIO is a high-performance object storage system. Prior to RELEASE.2026-03-17T21-25-16Z, MinIO AIStor\u0027s STS (Security Token Service) AssumeRoleWithLDAPIdentity endpoint is vulnerable to LDAP credential brute-forcing due to two combined weaknesses: (1) distinguishable error responses that enable username enumeration, and (2) absence of rate limiting on authentication attempts. An unauthenticated network attacker can enumerate valid LDAP usernames and then perform unlimited password guessing to obtain temporary AWS-style STS credentials, gaining access to the victim\u0027s S3 buckets and objects. This issue has been patched in RELEASE.2026-03-17T21-25-16Z.","datePublished":"Mar 24, 2026, 7:05:30 PM","dateUpdated":"Mar 25, 2026, 1:24:44 PM","status":"PUBLISHED","baseScore":9.1,"baseScoreVersion":"4.0","baseScoreVector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","references":"https://github.com/minio/minio/security/advisories/GHSA-jv87-32hw-hh99\n","enisa_id":"EUVD-2026-15000\n","assigner":"GitHub_M","epss":0.46,"dataProcessed":"Oct 29, 2026, 7:17:53 AM","vulnerabilityProduct":[{"id":"25f7a7f6-c82d-3240-8b70-bb8ae4e20d71","product":{"name":"minio","vendor":{"name":"minio"}},"product_version":"\u003c RELEASE.2026-03-17T21-25-16Z"}],"vulnerabilityVendor":[{"id":"61798b73-8fba-347a-846b-98dc51c53635","vendor":{"name":"minio"}}]}}],"enisaIdAdvisory":[]}