CVE-2026-33419
Description
MinIO is a high-performance object storage system. Prior to RELEASE.2026-03-17T21-25-16Z, MinIO AIStor's 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's S3 buckets and objects. This issue has been patched in RELEASE.2026-03-17T21-25-16Z.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
github.com/minio/minioGo | <= 0.0.0-20260212201848-7aac2a2c5b7c | — |
Affected products
8- osv-coords7 versionspkg:apk/chainguard/miniopkg:apk/chainguard/minio-iamguarded-2025-compatpkg:apk/wolfi/miniopkg:apk/wolfi/minio-iamguarded-2025-compatpkg:bitnami/miniopkg:golang/github.com/minio/miniopkg:rpm/opensuse/govulncheck-vulndb&distro=openSUSE%20Leap%2015.6
< 0.20260504.002721-r0+ 6 more
- (no CPE)range: < 0.20260504.002721-r0
- (no CPE)range: < 0.20260504.002721-r0
- (no CPE)range: < 0.20260504.002721-r0
- (no CPE)range: < 0.20260504.002721-r0
- (no CPE)range: < 2026.03.17
- (no CPE)range: <= 0.0.0-20260212201848-7aac2a2c5b7c
- (no CPE)range: < 0.0.20260326T203309-150000.1.155.2
Patches
Vulnerability mechanics
References
3- github.com/minio/minio/security/advisories/GHSA-jv87-32hw-hh99nvdPatchVendor AdvisoryWEB
- github.com/advisories/GHSA-jv87-32hw-hh99ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-33419ghsaADVISORY
News mentions
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