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

Exp

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.

Published: 2025-12-30 Last update: 2026-01-16 Assigner: [email protected] Source: [email protected]
NVD Status：Analyzed，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2025-68926 is rated High Exploit Risk (93.5/100): CVSS Critical severity, with high exploitation likelihood (EPSS 29.03%, 98th percentile). 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +21.32% over the last day, indicating growing attacker interest. Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2025-68926

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2025-68926

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 7.71% 29.03% +21.32%
2 2026-06-09 6.62% 7.71% +1.09%
3 2026-06-03 — 6.62% —

Full EPSS history (14 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2025-68926

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.8 3.1 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 5.9 [email protected]

Weakness enumeration for CVE-2025-68926

GitHub Security Advisory for CVE-2025-68926

GHSA-h956-rh7x-ppgj · Severity: critical · Ecosystem: rust — RustFS has a gRPC Hardcoded Token Authentication Bypass

Affected software / configurations for CVE-2025-68926

Vendor Product Version Raw CPE
rustfs rustfs 1.0.0 cpe:2.3:a:rustfs:rustfs:1.0.0:alpha1:*:*:*:rust:*:*
rustfs rustfs 1.0.0 cpe:2.3:a:rustfs:rustfs:1.0.0:alpha10:*:*:*:rust:*:*
rustfs rustfs 1.0.0 cpe:2.3:a:rustfs:rustfs:1.0.0:alpha11:*:*:*:rust:*:*
rustfs rustfs 1.0.0 cpe:2.3:a:rustfs:rustfs:1.0.0:alpha12:*:*:*:rust:*:*
rustfs rustfs 1.0.0 cpe:2.3:a:rustfs:rustfs:1.0.0:alpha13:*:*:*:rust:*:*
rustfs rustfs 1.0.0 cpe:2.3:a:rustfs:rustfs:1.0.0:alpha14:*:*:*:rust:*:*
rustfs rustfs 1.0.0 cpe:2.3:a:rustfs:rustfs:1.0.0:alpha15:*:*:*:rust:*:*
rustfs rustfs 1.0.0 cpe:2.3:a:rustfs:rustfs:1.0.0:alpha16:*:*:*:rust:*:*
rustfs rustfs 1.0.0 cpe:2.3:a:rustfs:rustfs:1.0.0:alpha17:*:*:*:rust:*:*
rustfs rustfs 1.0.0 cpe:2.3:a:rustfs:rustfs:1.0.0:alpha18:*:*:*:rust:*:*
rustfs rustfs 1.0.0 cpe:2.3:a:rustfs:rustfs:1.0.0:alpha19:*:*:*:rust:*:*
rustfs rustfs 1.0.0 cpe:2.3:a:rustfs:rustfs:1.0.0:alpha2:*:*:*:rust:*:*
rustfs rustfs 1.0.0 cpe:2.3:a:rustfs:rustfs:1.0.0:alpha20:*:*:*:rust:*:*
rustfs rustfs 1.0.0 cpe:2.3:a:rustfs:rustfs:1.0.0:alpha21:*:*:*:rust:*:*
rustfs rustfs 1.0.0 cpe:2.3:a:rustfs:rustfs:1.0.0:alpha22:*:*:*:rust:*:*
rustfs rustfs 1.0.0 cpe:2.3:a:rustfs:rustfs:1.0.0:alpha23:*:*:*:rust:*:*
rustfs rustfs 1.0.0 cpe:2.3:a:rustfs:rustfs:1.0.0:alpha24:*:*:*:rust:*:*
rustfs rustfs 1.0.0 cpe:2.3:a:rustfs:rustfs:1.0.0:alpha25:*:*:*:rust:*:*
rustfs rustfs 1.0.0 cpe:2.3:a:rustfs:rustfs:1.0.0:alpha26:*:*:*:rust:*:*
rustfs rustfs 1.0.0 cpe:2.3:a:rustfs:rustfs:1.0.0:alpha27:*:*:*:rust:*:*
rustfs rustfs 1.0.0 cpe:2.3:a:rustfs:rustfs:1.0.0:alpha28:*:*:*:rust:*:*
rustfs rustfs 1.0.0 cpe:2.3:a:rustfs:rustfs:1.0.0:alpha29:*:*:*:rust:*:*
rustfs rustfs 1.0.0 cpe:2.3:a:rustfs:rustfs:1.0.0:alpha3:*:*:*:rust:*:*
rustfs rustfs 1.0.0 cpe:2.3:a:rustfs:rustfs:1.0.0:alpha30:*:*:*:rust:*:*
rustfs rustfs 1.0.0 cpe:2.3:a:rustfs:rustfs:1.0.0:alpha31:*:*:*:rust:*:*
rustfs rustfs 1.0.0 cpe:2.3:a:rustfs:rustfs:1.0.0:alpha32:*:*:*:rust:*:*
rustfs rustfs 1.0.0 cpe:2.3:a:rustfs:rustfs:1.0.0:alpha33:*:*:*:rust:*:*
rustfs rustfs 1.0.0 cpe:2.3:a:rustfs:rustfs:1.0.0:alpha34:*:*:*:rust:*:*
rustfs rustfs 1.0.0 cpe:2.3:a:rustfs:rustfs:1.0.0:alpha35:*:*:*:rust:*:*
rustfs rustfs 1.0.0 cpe:2.3:a:rustfs:rustfs:1.0.0:alpha36:*:*:*:rust:*:*
rustfs rustfs 1.0.0 cpe:2.3:a:rustfs:rustfs:1.0.0:alpha37:*:*:*:rust:*:*
rustfs rustfs 1.0.0 cpe:2.3:a:rustfs:rustfs:1.0.0:alpha38:*:*:*:rust:*:*
rustfs rustfs 1.0.0 cpe:2.3:a:rustfs:rustfs:1.0.0:alpha39:*:*:*:rust:*:*
rustfs rustfs 1.0.0 cpe:2.3:a:rustfs:rustfs:1.0.0:alpha4:*:*:*:rust:*:*
rustfs rustfs 1.0.0 cpe:2.3:a:rustfs:rustfs:1.0.0:alpha40:*:*:*:rust:*:*
rustfs rustfs 1.0.0 cpe:2.3:a:rustfs:rustfs:1.0.0:alpha41:*:*:*:rust:*:*
rustfs rustfs 1.0.0 cpe:2.3:a:rustfs:rustfs:1.0.0:alpha42:*:*:*:rust:*:*
rustfs rustfs 1.0.0 cpe:2.3:a:rustfs:rustfs:1.0.0:alpha43:*:*:*:rust:*:*
rustfs rustfs 1.0.0 cpe:2.3:a:rustfs:rustfs:1.0.0:alpha44:*:*:*:rust:*:*
rustfs rustfs 1.0.0 cpe:2.3:a:rustfs:rustfs:1.0.0:alpha45:*:*:*:rust:*:*
rustfs rustfs 1.0.0 cpe:2.3:a:rustfs:rustfs:1.0.0:alpha46:*:*:*:rust:*:*
rustfs rustfs 1.0.0 cpe:2.3:a:rustfs:rustfs:1.0.0:alpha47:*:*:*:rust:*:*
rustfs rustfs 1.0.0 cpe:2.3:a:rustfs:rustfs:1.0.0:alpha48:*:*:*:rust:*:*
rustfs rustfs 1.0.0 cpe:2.3:a:rustfs:rustfs:1.0.0:alpha49:*:*:*:rust:*:*
rustfs rustfs 1.0.0 cpe:2.3:a:rustfs:rustfs:1.0.0:alpha5:*:*:*:rust:*:*
rustfs rustfs 1.0.0 cpe:2.3:a:rustfs:rustfs:1.0.0:alpha50:*:*:*:rust:*:*
rustfs rustfs 1.0.0 cpe:2.3:a:rustfs:rustfs:1.0.0:alpha51:*:*:*:rust:*:*
rustfs rustfs 1.0.0 cpe:2.3:a:rustfs:rustfs:1.0.0:alpha52:*:*:*:rust:*:*
rustfs rustfs 1.0.0 cpe:2.3:a:rustfs:rustfs:1.0.0:alpha53:*:*:*:rust:*:*
rustfs rustfs 1.0.0 cpe:2.3:a:rustfs:rustfs:1.0.0:alpha54:*:*:*:rust:*:*
rustfs rustfs 1.0.0 cpe:2.3:a:rustfs:rustfs:1.0.0:alpha55:*:*:*:rust:*:*
rustfs rustfs 1.0.0 cpe:2.3:a:rustfs:rustfs:1.0.0:alpha56:*:*:*:rust:*:*
rustfs rustfs 1.0.0 cpe:2.3:a:rustfs:rustfs:1.0.0:alpha57:*:*:*:rust:*:*
rustfs rustfs 1.0.0 cpe:2.3:a:rustfs:rustfs:1.0.0:alpha58:*:*:*:rust:*:*
rustfs rustfs 1.0.0 cpe:2.3:a:rustfs:rustfs:1.0.0:alpha59:*:*:*:rust:*:*
rustfs rustfs 1.0.0 cpe:2.3:a:rustfs:rustfs:1.0.0:alpha6:*:*:*:rust:*:*
rustfs rustfs 1.0.0 cpe:2.3:a:rustfs:rustfs:1.0.0:alpha60:*:*:*:rust:*:*
rustfs rustfs 1.0.0 cpe:2.3:a:rustfs:rustfs:1.0.0:alpha61:*:*:*:rust:*:*
rustfs rustfs 1.0.0 cpe:2.3:a:rustfs:rustfs:1.0.0:alpha62:*:*:*:rust:*:*
rustfs rustfs 1.0.0 cpe:2.3:a:rustfs:rustfs:1.0.0:alpha63:*:*:*:rust:*:*
rustfs rustfs 1.0.0 cpe:2.3:a:rustfs:rustfs:1.0.0:alpha64:*:*:*:rust:*:*
rustfs rustfs 1.0.0 cpe:2.3:a:rustfs:rustfs:1.0.0:alpha65:*:*:*:rust:*:*
rustfs rustfs 1.0.0 cpe:2.3:a:rustfs:rustfs:1.0.0:alpha66:*:*:*:rust:*:*
rustfs rustfs 1.0.0 cpe:2.3:a:rustfs:rustfs:1.0.0:alpha67:*:*:*:rust:*:*
rustfs rustfs 1.0.0 cpe:2.3:a:rustfs:rustfs:1.0.0:alpha68:*:*:*:rust:*:*
rustfs rustfs 1.0.0 cpe:2.3:a:rustfs:rustfs:1.0.0:alpha69:*:*:*:rust:*:*
rustfs rustfs 1.0.0 cpe:2.3:a:rustfs:rustfs:1.0.0:alpha7:*:*:*:rust:*:*
rustfs rustfs 1.0.0 cpe:2.3:a:rustfs:rustfs:1.0.0:alpha70:*:*:*:rust:*:*
rustfs rustfs 1.0.0 cpe:2.3:a:rustfs:rustfs:1.0.0:alpha71:*:*:*:rust:*:*
rustfs rustfs 1.0.0 cpe:2.3:a:rustfs:rustfs:1.0.0:alpha72:*:*:*:rust:*:*
rustfs rustfs 1.0.0 cpe:2.3:a:rustfs:rustfs:1.0.0:alpha73:*:*:*:rust:*:*
rustfs rustfs 1.0.0 cpe:2.3:a:rustfs:rustfs:1.0.0:alpha74:*:*:*:rust:*:*
rustfs rustfs 1.0.0 cpe:2.3:a:rustfs:rustfs:1.0.0:alpha75:*:*:*:rust:*:*
rustfs rustfs 1.0.0 cpe:2.3:a:rustfs:rustfs:1.0.0:alpha76:*:*:*:rust:*:*
rustfs rustfs 1.0.0 cpe:2.3:a:rustfs:rustfs:1.0.0:alpha77:*:*:*:rust:*:*
rustfs rustfs 1.0.0 cpe:2.3:a:rustfs:rustfs:1.0.0:alpha8:*:*:*:rust:*:*
rustfs rustfs 1.0.0 cpe:2.3:a:rustfs:rustfs:1.0.0:alpha9:*:*:*:rust:*:*

References for CVE-2025-68926

cvelogic Threat Intelligence