HIGHCVSS 8.8

CVE-2026-122267

CVE-2026-122267 updated by NVD

Modified: 2026-11-07
Sources: nvd

Summary

MinIO Signature V4 verification before RELEASE.2026-09-22T19-25-18Z accepts unsigned x-amz-* headers, letting a presigned PUT URL be escalated into a cross-bucket read.

References

https://nvd.nist.gov/vuln/detail/CVE-2026-122267

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