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PatchSiren cyber security CVE debrief

CVE-2026-113466 MinIO CVE debrief

A security vulnerability has been detected in MinIO up to RELEASE.2025-10-15T17-29-55Z. This issue affects the function globalDeploymentID/SessionTokenAuthenticate of the file cmd/common-main.go of the component Embedded Console. Such manipulation leads to use of hard-coded cryptographic key . It is possible to launch the attack remotely. The exploit has been disclosed publicly and may be used. This vulnerability only affects products that are no longer supported by the maintainer.

Vendor
MinIO
Product
MinIO
CVSS
MEDIUM 6.9
CISA KEV
Not listed in stored evidence
Original CVE published
2026-10-20
Original CVE updated
2026-10-20
Advisory published
2026-10-20
Advisory updated
2026-10-20

Who should care

Defenders responsible for MinIO deployments should assess the potential impact of this vulnerability and verify its presence in their environment. Defenders should prioritize verifying the presence of this vulnerability in their MinIO deployments and assess the potential impact, as the exploit has been publicly disclosed. This vulnerability only affects products that are no longer supported by the maintainer.

Why it matters

Defenders should prioritize verifying the presence of this vulnerability in their MinIO deployments and assess the potential impact, as the exploit has been publicly disclosed.

  • Verify the presence of this vulnerability in MinIO deployments
  • Assess the potential impact of the vulnerability on the deployment
  • Consider alternative solutions or patches if available

Technical summary

The vulnerability affects the function globalDeploymentID/SessionTokenAuthenticate of the file cmd/common-main.go of the component Embedded Console in MinIO up to RELEASE.2025-10-15T17-29-55Z. The issue leads to the use of a hard-coded cryptographic key. This vulnerability only affects products that are no longer supported by the maintainer. The exploit has been disclosed publicly and may be used. It is possible to launch the attack remotely. A security vulnerability has been detected in MinIO up to RELEASE.2025-10-15T17-29-55Z. This issue affects the function globalDeploymentID/SessionTokenAuthenticate of the file cmd/common-main.go of the component Embedded Console. Such manipulation leads to use of hard-code

Defensive priority

Defenders should prioritize verifying the presence of this vulnerability in their MinIO deployments and assess the potential impact, as the exploit has been publicly disclosed.

Recommended defensive actions

  • Verify the presence of this vulnerability in MinIO deployments
  • Assess the potential impact of the vulnerability
  • Consider alternative solutions or patches if available
  • Review compensating controls for exposed systems while remediation is scheduled and verified
  • Check relevant monitoring, detection, and logs for exposed assets that need extra review
  • Track exceptions, retest remediated assets, and close the item only after evidence is documented
  • Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The CVE record and source item provide details about the vulnerability, including its description, affected versions, and references to additional information. Defenders should verify the presence of this vulnerability in their MinIO deployments and assess the potential impact, as the exploit has been publicly disclosed. The vulnerability affects the function globalDeploymentID/SessionTokenAuthenticate of the file cmd/common-main.go of the component Embedded Console in MinIO up to RELEASE.2025-10-15T17-29-55Z. The issue leads to the

Sources and references

Verified primary and authoritative sources

  • CVE-2026-113466 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-113466

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-113466 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-113466

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

  • MinIO Embedded Console common-main.go SessionTokenAuthenticate hard-coded key

    Unverified legacy reference

    URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/113xxx/CVE-2026-113466.json

    cve_program_cvelist_v5

  • Source reference

    Unverified legacy reference

    URL: https://vuldb.com/vuln/422691

    Supplemental source - vdb-entry, technical-description

  • Source reference

    Unverified legacy reference

    URL: https://vuldb.com/vuln/422691/cti

    Supplemental source - signature, permissions-required

  • Source reference

    Unverified legacy reference

    URL: https://vuldb.com/cve/CVE-2026-113466

    Supplemental source - third-party-advisory

  • Source reference

    Unverified legacy reference

    URL: https://vuldb.com/submit/1004925

    Supplemental source - third-party-advisory

  • Source reference

    Unverified legacy reference

    URL: https://github.com/zast-ai/vulnerability-reports/blob/main/minio/unauth_admin_takeover.md

    Supplemental source - exploit

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.