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CVE-2026-22042
Good to know:
Date: January 8, 2026
RustFS is a distributed object storage system built in Rust. Prior to version 1.0.0-alpha.79, he "ImportIam" admin API validates permissions using "ExportIAMAction" instead of "ImportIAMAction", allowing a principal with export-only IAM permissions to perform import operations. Since importing IAM data performs privileged write actions (creating/updating users, groups, policies, and service accounts), this can lead to unauthorized IAM modification and privilege escalation. Version 1.0.0-alpha.79 fixes the issue.
Severity Score
Severity Score
Top Fix
CVSS v3.1
| Base Score: |
|
|---|---|
| Attack Vector (AV): | NETWORK |
| Attack Complexity (AC): | LOW |
| Privileges Required (PR): | LOW |
| User Interaction (UI): | NONE |
| Scope (S): | UNCHANGED |
| Confidentiality (C): | NONE |
| Integrity (I): | HIGH |
| Availability (A): | NONE |