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CVE-2025-68926— RustFS has a gRPC Hardcoded Token Authentication Bypass

Quick assessment

Affected
rustfs rustfs
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

rustfs是RustFS开源的一个高性能对象存储系统。 rustfs 1.0.0-alpha.77之前版本存在信任管理问题漏洞，该漏洞源于使用硬编码静态令牌进行gRPC身份验证，可能导致数据破坏、策略操纵和集群配置更改等特权操作。

CVSS 9.8 · Critical EPSS 31.85% · P98

Possible ATT&CK Techniques 1 AI

T1133 · External Remote Services
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I. Basic Information for CVE-2025-68926

Vulnerability Information
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Vulnerability Title
RustFS has a gRPC Hardcoded Token Authentication Bypass
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
使用硬编码的凭证
Source: CVE Program / CVE List V5
Vulnerability Title
rustfs 信任管理问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
rustfs是RustFS开源的一个高性能对象存储系统。 rustfs 1.0.0-alpha.77之前版本存在信任管理问题漏洞，该漏洞源于使用硬编码静态令牌进行gRPC身份验证，可能导致数据破坏、策略操纵和集群配置更改等特权操作。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
rustfs rustfs < 1.0.0-alpha.78 -

II. Public POCs for CVE-2025-68926

# POC Description Source Link Shenlong Link
1 RustFS before 1.0.0-alpha.77 used a hardcoded gRPC authentication token "rustfs rpc" that could not be changed without recompiling and this allowed unauthenticated remote attackers to gain full administrative access to the gRPC API. https://github.com/projectdiscovery/nuclei-templates/blob/main/code/cves/2025/CVE-2025-68926.yaml POC Details
2 CVE-2025-68926 - RustFS Hardcoded gRPC Authentication Token Exploit https://github.com/Chocapikk/CVE-2025-68926 POC Details
3 CVE-2025-68926 POC https://github.com/Arcueld/CVE-2025-68926 POC Details
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III. Intelligence Information for CVE-2025-68926

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Vendor Advisories for CVE-2025-68926 (1)

IV. Related Vulnerabilities

Same product: rustfs
Same vendor: rustfs
Same weakness: CWE-798

V. Comments for CVE-2025-68926

Anonymous User
2026-01-15 06:08:48

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