RustFS has a gRPC Hardcoded Token Authentication Bypass
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.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
rustfscrates.io | >= 1.0.0-alpha.13, < 1.0.0-alpha.78 | 1.0.0-alpha.78 |
Affected products
1Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
4- github.com/advisories/GHSA-h956-rh7x-ppgjghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2025-68926ghsaADVISORY
- github.com/rustfs/rustfs/releases/tag/1.0.0-alpha.78ghsaWEB
- github.com/rustfs/rustfs/security/advisories/GHSA-h956-rh7x-ppgjghsax_refsource_CONFIRMWEB
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