ZDF
Sign inSign up

Vulnerabilities

Vulnerability · CVE-2026-22042

RustFS is a distributed object storage system built in Rust.

Published Jan 8, 2026 · catalog updated Jan 8, 2026 · RustFS is a distributed

Last checked Nov 3, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2026-22042. EPSS is 0.43%. Act only if a listed version of RustFS is a distributed is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (RustFS is a distributed).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Medium5.7
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.43%
Remediation
Version ranges on file
Affected products
vendor rustfs rustfs < 1.0.0-alpha.79

RustFS is a distributed object storage system built in Rust. Prior to version 1.0.0-alpha.79, he admin API validates permissions using instead of , 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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor rustfs rustfs < 1.0.0-alpha.79< 1.0.0-alpha.79

How to fix CVE-2026-22042

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-22042. EPSS is 0.43%. Act only if a listed version of RustFS is a distributed is installed.

Which versions are affected?

Compare what you have installed with rustfs rustfs < 1.0.0-alpha.79 < 1.0.0-alpha.79. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.43%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Jan 8, 2026 · EUVD

    Detected

    RustFS is a distributed object storage system built in Rust. Prior to version 1.0.0-alpha.79, he admin API validates permissions using instead of , 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 modifica

  2. Jan 8, 2026 · EUVD

    Updated

    RustFS is a distributed object storage system built in Rust. Prior to version 1.0.0-alpha.79, he admin API validates permissions using instead of , 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 modifica

Sources

  • CVE.orgVulnerability recordCVE-2026-22042

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-22042

    30-day exploitation probability 0.43%

    first.org
  • EUVDVulnerability recordEUVD-2026-1472

    RustFS is a distributed object storage system built in Rust. Prior to version 1.0.0-alpha.79, he admin API validates permissions using instead of , allowing a principal with export-only IAM permissions to perform import operations. Since importing IAM data performs privileged wri

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 3, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 3, 2026
  • CVE.orgOct 31, 2026
  • EUVDOct 30, 2026