CVE-2026-97731 | MinIO Signature Verification signature-v4-utils.go extractSignedHeaders privileges management

September 25, 2026 Yanac

A vulnerability was found in MinIO. It has been classified as critical. Affected by this vulnerability is the function extractSignedHeaders of the file cmd/signature-v4-utils.go of the component Signature Verification. Performing a manipulation results in improper privilege management.

This vulnerability is reported as CVE-2026-97731. The attack is possible to be carried out remotely. No exploit exists.

To fix this issue, it is recommended to deploy a patch.VulDB Recent EntriesRead More