HIGH 8.8 NVD

CVE-2026-122267

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-buck

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://github.com/chainguard-forks/minio/security/advisories/GHSA-48rv-pgqh-mhjg

Published: 2026-11-05 · Source: NVD · Feed updated: 2026-11-06

This high severity vulnerability with a CVSS score of 8.8 was published on 2026-11-05 via NVD.

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