CVE-2023-28434

Severity not reported CISA KEV

Data quality: kev only. This record comes from the CISA KEV catalog only; NVD details have not been synced yet.

MinIO Security Feature Bypass Vulnerability

Vendor / product: MinIO — MinIO

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.

CVSS

—

Not reported by the source

Timeline (UTC)

Published: not reported

Modified: not reported

NVD status: not reported

Last synced 2 days ago

Verified against the source API 2026-10-27 06:50 UTC

Exploitation

Listed in CISA KEV

Added 2023-09-19 · due 2023-10-10

Known ransomware use: Unknown

Required action (CISA)

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Affected products

Not reported by the source (unknown — not "none").

Weakness classification (CWE)

CWE-269

Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.

Mitigation & advisories

No vendor advisory or patch reference tagged by NVD. Check the references below.

References

No references reported.

Data sources

CISA KEV — fetched 2026-10-27 06:50 UTC · record ↗

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