CVE-2026-33322
MinIO: JWT Algorithm Confusion in OIDC Authentication
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
4th
MinIO is a high-performance object storage system. From RELEASE.2022-11-08T05-27-07Z to before RELEASE.2026-03-17T21-25-16Z, a JWT algorithm confusion vulnerability in MinIO's OpenID Connect authentication allows an attacker who knows the OIDC ClientSecret to forge arbitrary identity tokens and obtain S3 credentials with any policy, including consoleAdmin. This issue has been patched in RELEASE.2026-03-17T21-25-16Z.
| CWE | CWE-287 |
| Vendor | minio |
| Product | minio |
| Published | Mar 24, 2026 |
| Last Updated | Mar 25, 2026 |
Stay Ahead of the Next One
Get instant alerts for minio minio
Be the first to know when new unknown vulnerabilities affecting minio minio are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
Affected Versions
minio / minio
>= RELEASE.2022-11-08T05-27-07Z, < RELEASE.2026-03-17T21-25-16Z