A AegiFlow
UNKNOWNKNOWN EXPLOITED

CVE-2023-28434

MinIO Security Feature Bypass Vulnerability

Published
2023-09-19
Modified
2026-07-31
Sources
cisa-kev

Summary

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.

References

Includes data from the CISA Known Exploited Vulnerabilities catalog.

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