CVE-2025-68926

RustFS has a gRPC Hardcoded Token Authentication Bypass

Published Dec 30, 2025 CVSS 3.1 · 9.8 Critical EPSS 32.1% KEV · Not listed
Description
RustFS is a distributed object storage system built in Rust. In versions prior to 1.0.0-alpha.78, RustFS implements gRPC authentication using a hardcoded static token `"rustfs rpc"` that is publicly exposed in the source code repository, hardcoded on both client and server sides, non-configurable with no mechanism for token rotation, and universally valid across all RustFS deployments. Any attacker with network access to the gRPC port can authenticate using this publicly known token and execute privileged operations including data destruction, policy manipulation, and cluster configuration changes. Version 1.0.0-alpha.78 contains a fix for the issue.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-h956-rh7x-ppgj RustFS has a gRPC Hardcoded Token Authentication Bypass
History
Type Values Removed Values Added
CPEs cpe:2.3:a:rustfs:rustfs:1.0.0:alpha10:*:*:*:rust:*:*
cpe:2.3:a:rustfs:rustfs:1.0.0:alpha11:*:*:*:rust:*:*
cpe:2.3:a:rustfs:rustfs:1.0.0:alpha12:*:*:*:rust:*:*
cpe:2.3:a:rustfs:rustfs:1.0.0:alpha13:*:*:*:rust:*:*
cpe:2.3:a:rustfs:rustfs:1.0.0:alpha14:*:*:*:rust:*:*
cpe:2.3:a:rustfs:rustfs:1.0.0:alpha15:*:*:*:rust:*:*
cpe:2.3:a:rustfs:rustfs:1.0.0:alpha16:*:*:*:rust:*:*
cpe:2.3:a:rustfs:rustfs:1.0.0:alpha17:*:*:*:rust:*:*
cpe:2.3:a:rustfs:rustfs:1.0.0:alpha18:*:*:*:rust:*:*
cpe:2.3:a:rustfs:rustfs:1.0.0:alpha19:*:*:*:rust:*:*
cpe:2.3:a:rustfs:rustfs:1.0.0:alpha1:*:*:*:rust:*:*
cpe:2.3:a:rustfs:rustfs:1.0.0:alpha20:*:*:*:rust:*:*
cpe:2.3:a:rustfs:rustfs:1.0.0:alpha21:*:*:*:rust:*:*
cpe:2.3:a:rustfs:rustfs:1.0.0:alpha22:*:*:*:rust:*:*
cpe:2.3:a:rustfs:rustfs:1.0.0:alpha23:*:*:*:rust:*:*
cpe:2.3:a:rustfs:rustfs:1.0.0:alpha24:*:*:*:rust:*:*
cpe:2.3:a:rustfs:rustfs:1.0.0:alpha25:*:*:*:rust:*:*
cpe:2.3:a:rustfs:rustfs:1.0.0:alpha26:*:*:*:rust:*:*
cpe:2.3:a:rustfs:rustfs:1.0.0:alpha27:*:*:*:rust:*:*
cpe:2.3:a:rustfs:rustfs:1.0.0:alpha28:*:*:*:rust:*:*
cpe:2.3:a:rustfs:rustfs:1.0.0:alpha29:*:*:*:rust:*:*
cpe:2.3:a:rustfs:rustfs:1.0.0:alpha2:*:*:*:rust:*:*
cpe:2.3:a:rustfs:rustfs:1.0.0:alpha30:*:*:*:rust:*:*
cpe:2.3:a:rustfs:rustfs:1.0.0:alpha31:*:*:*:rust:*:*
cpe:2.3:a:rustfs:rustfs:1.0.0:alpha32:*:*:*:rust:*:*
cpe:2.3:a:rustfs:rustfs:1.0.0:alpha33:*:*:*:rust:*:*
cpe:2.3:a:rustfs:rustfs:1.0.0:alpha34:*:*:*:rust:*:*
cpe:2.3:a:rustfs:rustfs:1.0.0:alpha35:*:*:*:rust:*:*
cpe:2.3:a:rustfs:rustfs:1.0.0:alpha36:*:*:*:rust:*:*
cpe:2.3:a:rustfs:rustfs:1.0.0:alpha37:*:*:*:rust:*:*
cpe:2.3:a:rustfs:rustfs:1.0.0:alpha38:*:*:*:rust:*:*
cpe:2.3:a:rustfs:rustfs:1.0.0:alpha39:*:*:*:rust:*:*
cpe:2.3:a:rustfs:rustfs:1.0.0:alpha3:*:*:*:rust:*:*
cpe:2.3:a:rustfs:rustfs:1.0.0:alpha40:*:*:*:rust:*:*
cpe:2.3:a:rustfs:rustfs:1.0.0:alpha41:*:*:*:rust:*:*
cpe:2.3:a:rustfs:rustfs:1.0.0:alpha42:*:*:*:rust:*:*
cpe:2.3:a:rustfs:rustfs:1.0.0:alpha43:*:*:*:rust:*:*
cpe:2.3:a:rustfs:rustfs:1.0.0:alpha44:*:*:*:rust:*:*
cpe:2.3:a:rustfs:rustfs:1.0.0:alpha45:*:*:*:rust:*:*
cpe:2.3:a:rustfs:rustfs:1.0.0:alpha46:*:*:*:rust:*:*
cpe:2.3:a:rustfs:rustfs:1.0.0:alpha47:*:*:*:rust:*:*
cpe:2.3:a:rustfs:rustfs:1.0.0:alpha48:*:*:*:rust:*:*
cpe:2.3:a:rustfs:rustfs:1.0.0:alpha49:*:*:*:rust:*:*
cpe:2.3:a:rustfs:rustfs:1.0.0:alpha4:*:*:*:rust:*:*
cpe:2.3:a:rustfs:rustfs:1.0.0:alpha50:*:*:*:rust:*:*
cpe:2.3:a:rustfs:rustfs:1.0.0:alpha51:*:*:*:rust:*:*
cpe:2.3:a:rustfs:rustfs:1.0.0:alpha52:*:*:*:rust:*:*
cpe:2.3:a:rustfs:rustfs:1.0.0:alpha53:*:*:*:rust:*:*
cpe:2.3:a:rustfs:rustfs:1.0.0:alpha54:*:*:*:rust:*:*
cpe:2.3:a:rustfs:rustfs:1.0.0:alpha55:*:*:*:rust:*:*
cpe:2.3:a:rustfs:rustfs:1.0.0:alpha56:*:*:*:rust:*:*
cpe:2.3:a:rustfs:rustfs:1.0.0:alpha57:*:*:*:rust:*:*
cpe:2.3:a:rustfs:rustfs:1.0.0:alpha58:*:*:*:rust:*:*
cpe:2.3:a:rustfs:rustfs:1.0.0:alpha59:*:*:*:rust:*:*
cpe:2.3:a:rustfs:rustfs:1.0.0:alpha5:*:*:*:rust:*:*
cpe:2.3:a:rustfs:rustfs:1.0.0:alpha60:*:*:*:rust:*:*
cpe:2.3:a:rustfs:rustfs:1.0.0:alpha61:*:*:*:rust:*:*
cpe:2.3:a:rustfs:rustfs:1.0.0:alpha62:*:*:*:rust:*:*
cpe:2.3:a:rustfs:rustfs:1.0.0:alpha63:*:*:*:rust:*:*
cpe:2.3:a:rustfs:rustfs:1.0.0:alpha64:*:*:*:rust:*:*
cpe:2.3:a:rustfs:rustfs:1.0.0:alpha65:*:*:*:rust:*:*
cpe:2.3:a:rustfs:rustfs:1.0.0:alpha66:*:*:*:rust:*:*
cpe:2.3:a:rustfs:rustfs:1.0.0:alpha67:*:*:*:rust:*:*
cpe:2.3:a:rustfs:rustfs:1.0.0:alpha68:*:*:*:rust:*:*
cpe:2.3:a:rustfs:rustfs:1.0.0:alpha69:*:*:*:rust:*:*
cpe:2.3:a:rustfs:rustfs:1.0.0:alpha6:*:*:*:rust:*:*
cpe:2.3:a:rustfs:rustfs:1.0.0:alpha70:*:*:*:rust:*:*
cpe:2.3:a:rustfs:rustfs:1.0.0:alpha71:*:*:*:rust:*:*
cpe:2.3:a:rustfs:rustfs:1.0.0:alpha72:*:*:*:rust:*:*
cpe:2.3:a:rustfs:rustfs:1.0.0:alpha73:*:*:*:rust:*:*
cpe:2.3:a:rustfs:rustfs:1.0.0:alpha74:*:*:*:rust:*:*
cpe:2.3:a:rustfs:rustfs:1.0.0:alpha75:*:*:*:rust:*:*
cpe:2.3:a:rustfs:rustfs:1.0.0:alpha76:*:*:*:rust:*:*
cpe:2.3:a:rustfs:rustfs:1.0.0:alpha77:*:*:*:rust:*:*
cpe:2.3:a:rustfs:rustfs:1.0.0:alpha7:*:*:*:rust:*:*
cpe:2.3:a:rustfs:rustfs:1.0.0:alpha8:*:*:*:rust:*:*
cpe:2.3:a:rustfs:rustfs:1.0.0:alpha9:*:*:*:rust:*:*
Type Values Removed Values Added
Description RustFS is a distributed object storage system built in Rust. In versions prior to 1.0.0-alpha.77, RustFS implements gRPC authentication using a hardcoded static token `"rustfs rpc"` that is publicly exposed in the source code repository, hardcoded on both client and server sides, non-configurable with no mechanism for token rotation, and universally valid across all RustFS deployments. Any attacker with network access to the gRPC port can authenticate using this publicly known token and execute privileged operations including data destruction, policy manipulation, and cluster configuration changes. Version 1.0.0-alpha.77 contains a fix for the issue. RustFS is a distributed object storage system built in Rust. In versions prior to 1.0.0-alpha.78, RustFS implements gRPC authentication using a hardcoded static token `"rustfs rpc"` that is publicly exposed in the source code repository, hardcoded on both client and server sides, non-configurable with no mechanism for token rotation, and universally valid across all RustFS deployments. Any attacker with network access to the gRPC port can authenticate using this publicly known token and execute privileged operations including data destruction, policy manipulation, and cluster configuration changes. Version 1.0.0-alpha.78 contains a fix for the issue.
Type Values Removed Values Added
First Time appeared Rustfs
Rustfs rustfs
Vendors & Products Rustfs
Rustfs rustfs
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description RustFS is a distributed object storage system built in Rust. In versions prior to 1.0.0-alpha.77, RustFS implements gRPC authentication using a hardcoded static token `"rustfs rpc"` that is publicly exposed in the source code repository, hardcoded on both client and server sides, non-configurable with no mechanism for token rotation, and universally valid across all RustFS deployments. Any attacker with network access to the gRPC port can authenticate using this publicly known token and execute privileged operations including data destruction, policy manipulation, and cluster configuration changes. Version 1.0.0-alpha.77 contains a fix for the issue.
Title RustFS has a gRPC Hardcoded Token Authentication Bypass
Weaknesses CWE-287
CWE-798
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Jan 5, 2026, 2:23 PM
Reserved
Dec 24, 2025, 11:40 PM
Status
Analyzed
Published
Dec 30, 2025, 5:15 PM
Modified
Jun 17, 2026, 9:59 AM