CVE-2023-28434CISA KEVEPSS p93.1%
CVE-2023-28434MinIO Security Feature Bypass Vulnerability
MinIO / MinIO
Description
MinIO contains a security feature bypass vulnerability that allows an attacker to use crafted requests to bypass metadata bucket name checking and put an object into any bucket while processing `PostPolicyBucket` to conduct privilege escalation. To carry out this attack, the attacker requires credentials with `arn:aws:s3:::*` permission, as well as enabled Console API access.
Scoring
| EPSS | 6.74% probability of exploitation · percentile 93.1% · 2026-06-18T12:00:27Z |
CISA KEV entry
Added to KEV: 2023-09-19
(incoming)1
| Type | Target | Confidence | Tier |
|---|---|---|---|
| KEVEntry | MinIO Security Feature Bypass Vulnerabilitykev-cve-2023-28434 | 0% | live |
Related by meaning· 6
Nearest entities by semantic similarity across the cs-graph corpus.