Is This vulnerability exploited in the wild?

No. Junglewise Threat Intelligence has no report of This vulnerability being exploited in the wild.

How severe is This vulnerability?

Informational severity, published 6 November 2026.

Which products and versions are affected?

shinchina-test (crates.io) SEMVER:introduced=0.0.0-0; Shinchina-Test 0.0.0-0.

Is there a fix for This vulnerability?

No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

How is This vulnerability attacked?

It is attacked over the network, in a software library.

Check whether you run shinchina-test (crates.io) or Shinchina-Test at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

shinchina-test malicious code in Rust crate

Severity: info · Published 2026-11-06

A Rust library package called shinchina-test was found to contain malicious code and removed from the official crates.io repository. The package attempted to exfiltrate build environment data to an unauthorized external server. Although the package was available for approximately 20 months, there was no evidence of significant adoption or real-world usage.

Vendors: crates.io.

Quick answers

Is This vulnerability exploited in the wild?: No. Junglewise Threat Intelligence has no report of This vulnerability being exploited in the wild.
How severe is This vulnerability?: Informational severity, published 6 November 2026.
Which products and versions are affected?: shinchina-test (crates.io) SEMVER:introduced=0.0.0-0; Shinchina-Test 0.0.0-0.
Is there a fix for This vulnerability?: No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is This vulnerability attacked?: It is attacked over the network, in a software library.
Am I affected?: Check whether you run shinchina-test (crates.io) or Shinchina-Test at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

The malicious Rust crate attempted to send telemetry from the build environment to an arbitrary URL, constituting a supply chain attack vector. The crate had a single version (0.0.0-0) published on 2025-03-02 and remained undetected for approximately 20 months before removal on 2026-11-06. No patched versions exist; the crate has been permanently removed from crates.io.

Affected products

shinchina-test 0.0.0-0

Timeline

2025-03-02: other: Malicious crate version published on crates.io
2026-11-06: disclosed: Vulnerability reported and crate removed from crates.io
2026-11-10: advisory: Advisory RUSTSEC-2026-0472 issued

References

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