PatchTheCVECVE-2021-41266: Minio console is a graphical user interface for the for MinIO operator
CVE-2021-41266 is a high-severity flaw (CVSS 8.6) affecting minio console. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Minio console is a graphical user interface for the for MinIO operator. Minio itself is a multi-cloud object storage project. Affected versions are subject to an authentication bypass issue in the Operator Console when an external IDP is enabled. All users on release v0.12.2 and before are affected and are advised to update to 0.12.3 or newer. Users unable to upgrade should add automountServiceAccountToken: false to the operator-console deploymen
Why this priority
- High severity
- EPSS top 1%: very likely to be exploited
- Public exploit reference
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 8.6 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 48.1% (top 1%) |
| CISA exploited list | No |
| Weakness | CWE-306 |
| Published | 2021-11-15 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Public exploits and detection
Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.
- Nuclei scan template: MinIO Operator Console Authentication Bypass
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2021-41266?
minio console: upgrade to 0.12.3. Exact commands for each OS are on this page.
Is CVE-2021-41266 being exploited?
CVE-2021-41266 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2021-41266 affect?
CVE-2021-41266 affects minio console. Severity is high (CVSS 8.6). Minio console is a graphical user interface for the for MinIO operator. Minio itself is a multi-cloud object storage project. Affected versions are subject to an authentication bypass issue in the Operator Console when an external IDP is en
How urgent is CVE-2021-41266?
Priority 65/100. High severity; EPSS top 1%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action