Vulnerability · Published Oct 20, 2026 · Assigned by VulDB

CVE-2026-113466MinIO Embedded Console common-main.go SessionTokenAuthenticate hard-coded key

Medium 5.3

In plain English

A medium-severity security flaw in MinIO. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 32% of all known vulnerabilities).

Severity (CVSS 3.1)5.3Medium

Exploit odds (30 days)0.4%top 68.2% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

Vendor	Product	Versions
n/a	MinIO	RELEASE.2025-10-15T17-29-55Z

Weakness: CWE-321, CWE-320 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:C

References

VDB-422691 | MinIO Embedded Console common-main.go SessionTokenAuthenticate hard-coded key vdb-entry, technical-description
VDB-422691 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
CVE-2026-113466 | CVE Analysis and Report third-party-advisory
Submit #1004925 | MinIO <=RELEASE.2025-10-15T17-29-55Z Use of Hard-coded Cryptographic Key third-party-advisory
https://github.com/zast-ai/vulnerability-reports/blob/main/minio/unauth_admin_takeover.md exploit