CVE-2023-28434
CISA KEV
ACT NOW
Priority: 0.00
BB Relevance:
2/100
Published: N/A
Modified: N/A
First seen: 2026-10-29
Status: pending_score
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.
CISA Known Exploited Vulnerability
Vendor / Product
MinIO — MinIO
Date Added
2023-09-19
Remediation Due
2023-10-10
https://github.com/minio/minio/security/advisories/GHSA-2pxw-r47w-4p8c; https://nvd.nist.gov/vuln/detail/CVE-2023-28434