CVE-2025-31489: GO-2025-3594 - MinIO performs incomplete signature validation for unsigned-trailer uploads in github.com/minio/minio

CVE-2025-31489 · Severity: medium · CVSS 4 · Published 2025-04-09

MinIO performs incomplete signature validation for unsigned-trailer uploads in github.com/minio/minio

Technologies: github.com/minio/minio (Go). Vendors: Go.

Quick answers

Is CVE-2025-31489 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2025-31489 being exploited in the wild.
How severe is CVE-2025-31489?
Medium severity, with a CVSS score of 4, published 9 April 2025.
Which products and versions are affected?
github.com/minio/minio (Go) SEMVER:introduced=0,fixed=0.0.0-20250403145552-8c70975283f9.
Is there a fix for CVE-2025-31489?
Yes. github.com/minio/minio (Go): upgrade to 0.0.0-20250403145552-8c70975283f9 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2025-31489?
Check whether you run github.com/minio/minio (Go) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • github.com/minio/minio (Go): upgrade to 0.0.0-20250403145552-8c70975283f9 or later
    go get github.com/minio/minio@v0.0.0-20250403145552-8c70975283f9

Affected products

  • github.com/minio/minio (Go) SEMVER:introduced=0,fixed=0.0.0-20250403145552-8c70975283f9

Identifiers

  • CVE-2025-31489
  • GHSA-wg47-6jq2-q2hh
  • GO-2025-3594

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