GHSA-f8h5-x737-x4xr: Finch rust `finch-rust` Was Removed From Crates.io Vulnerability

CRITICAL
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Advisory Summary

GHSA-f8h5-x737-x4xr is a CRITICAL `finch-rust` was removed from crates.io vulnerability (General Security Weakness) affecting Finch rust libraries in the crates.io ecosystem. The issue involves `finch-rust` was removed from crates.io for malicious code. Remediation is available in the latest vendor maintenance releases.

GHSA-f8h5-x737-x4xr at a Glance

CVE Identifier N/A
GHSA Identifier GHSA-f8h5-x737-x4xr
Severity CRITICAL
CVSS v3.1 Base Score N/A
CWE Classification General Security Weakness
Affected Product Finch rust
Package Ecosystem crates.io
Published Date
Last Updated

How to Fix GHSA-f8h5-x737-x4xr

To remediate this vulnerability, upgrade all affected Finch rust dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

finch-rust fixed: Latest secure release 
Upgrade finch-rust to Latest secure release
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

inspect dependencies for finch-rust

How to Check if You Are Affected

To determine whether your application is affected by GHSA-f8h5-x737-x4xr, inspect your project dependencies for Finch rust:

inspect dependencies for finch-rust

Analyze the terminal output to locate any version of Finch rust in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than the patched release), your application is affected.

Note: Verify declared build manifests and deployed runtime container environments.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under General Security Weakness. In Finch rust, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

It depended on the `sha-rust` crate, which appeared to be attempting to steal credentials from local files.

GHSA-f8h5-x737-x4xr Affected Finch rust Versions

1 component(s)
Product / Package Ecosystem Affected Versions Fixed Version
finch-rust
 crates.io

References

blog.rust-lang.org/2025/12/05/crates.i... WEB
https://blog.rust-lang.org/2025/12/05/crates.io-malicious-crates-finch-rust-and-sha-rust
rustsec.org/advisories/rustsec-... WEB
https://rustsec.org/advisories/RUSTSEC-2025-0148.html

Frequently Asked Questions

What is GHSA-f8h5-x737-x4xr?
GHSA-f8h5-x737-x4xr is a security vulnerability in Finch rust involving `finch-rust` was removed from crates.io for malicious code under General Security Weakness.
Which Finch rust versions are affected?
Affected versions include releases prior to current release patches across affected packages: finch-rust.
What version fixes GHSA-f8h5-x737-x4xr?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
Is finch-rust affected?
Yes, finch-rust is affected in releases prior to Latest secure release. Upgrade your dependency to Latest secure release or later.
What CWE is associated with GHSA-f8h5-x737-x4xr?
GHSA-f8h5-x737-x4xr is classified under General Security Weakness.
How can I check crates.io dependencies for GHSA-f8h5-x737-x4xr?
Run the dependency tree command: 'inspect dependencies for finch-rust'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-f8h5-x737-x4xr",
  "modified" : "2026-02-06T20:58:19Z",
  "published" : "2026-02-06T20:58:19Z",
  "aliases" : [ ],
  "summary" : "`finch-rust` was removed from crates.io for malicious code",
  "details" : "It depended on the `sha-rust` crate, which appeared to be attempting to steal credentials from local files.",
  "severity" : [ ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "crates.io",
      "name" : "finch-rust"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://blog.rust-lang.org/2025/12/05/crates.io-malicious-crates-finch-rust-and-sha-rust"
  }, {
    "type" : "WEB",
    "url" : "https://rustsec.org/advisories/RUSTSEC-2025-0148.html"
  } ],
  "database_specific" : {
    "cwe_ids" : [ ],
    "severity" : "CRITICAL",
    "github_reviewed" : true,
    "github_reviewed_at" : "2026-02-06T20:58:19Z",
    "nvd_published_at" : null
  }
}