CVE-2026-34204Disclosure(minio / minio)

LOWCVSS 7.1 · HIGH

Signal is active with 2 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

MinIO is a high-performance object storage system. Prior to version RELEASE.2026-03-26T21-24-40Z, a flaw in extractMetadataFromMime() allows any authenticated user with s3:PutObject permission to inject internal server-side encryption metadata into objects by sending crafted X-Minio-Replication-* headers on a normal PutObject request. This issue has been patched in version RELEASE.2026-03-26T21-24-40Z.

0.0/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-287

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • minio

Threat summary

  • 2 mentions across 1 observed day

What's happening

  • Technical details provided in 2 signals
  • Disclosure: 2 classified signals
  • 2 total mentions across 1 day

Affected systems

Vendors
Products
minio

Deep dive

Activity timeline2 mentions / 1d
01122Mentions · 2026-04-01: 2Technical Details · 2026-04-01: 204-01
Signal classification1 categories
Disclosure
2100.0%
Referenced assets2 URLs
By indicator
Full discourse2 posts
  • CVE@CVEnew
    Disclosure

    CVE-2026-34204 MinIO is a high-performance object storage system. Prior to version RELEASE.2026-03-26T21-24-40Z, a flaw in extractMetadataFromMime() allows any authenticated user wi… https://www.cve.org/CVERecord?id=CVE-2026-34204

    Post summary

    The announcement informs readers of CVE‑2026‑34204 in MinIO, detailing a flaw in `extractMetadataFromMime()` that enables privileged access, but does not provide exploit code, patches, or evidence of active exploitation.

    00010191
    56.9K followersView on X
  • Infoflowcloud@infoflowcloud
    Disclosure

    🚨*CVE* CVE-2026-34204 MinIO is a high-performance object storage system. Prior to version RELEASE.2026-03-26T21-24-40Z, a flaw in extractMetadataFromMime() allows any authenticated user wi… https://www.cve.org/CVERecord?id=CVE-2026-34204 ----- Traducción: CVE-2026-34204 Min… http://infoflow.cloud`

    Post summary

    The tweet announces CVE-2026-34204 for MinIO, noting a flaw in extractMetadataFromMime() that permits authenticated users to act beyond intended limits, but does not provide PoC, exploit, patch, or active exploitation details.

    0000023
    65 followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Appminiominio---

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