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🦀 crates.io
Not in CISA KEV

`tracing-check` was removed from crates.io for malicious codeGHSA-5pmp-jpcf-pwx6

GHSA-5pmp-jpcf-pwx6 is a security vulnerability in tracing-check. The records list no fixed version yet; check the vendor advisory below and apply the mitigations in the meantime.

Also known asRUSTSEC-2026-0019
Published
Updated
Affected
1 pkg
Patched
None yet
Exploits
None indexed
Exploitation data as of Mar 5, 2026 · OSV.dev, FIRST.org (EPSS)

Real-World Exposure

1 pkg affected
🦀tracing-check

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects crates.io packages — download data is not available via public APIs for these ecosystems.

Description

This is part of an ongoing campaign to attempt to typosquat crates in the polymarket-client-sdk ecosystem to exfiltrate user credentials.

The malicious crate had 1 version published on 2026-02-24 approximately 4 hours before removal and had no evidence of actual downloads. There were no crates depending on this crate on crates.io.

The crates.io team advises anyone developing with Polymarket to review dependencies carefully. We are investigating ways to mitigate this attacker who appears to be very motivated to steal Polymarket credentials.

Affected Packages

1 total
EcosystemPackageVulnerable rangeFix
🦀crates.iotracing-checkall versionsNo fix

Detection & mitigation playbook

Open-source dependency
  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for tracing-check, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Remediation status

    The records we use list no patched version of tracing-check for GHSA-5pmp-jpcf-pwx6. Check the maintainer's advisory, and where your build allows, override or pin the dependency away from the vulnerable range.

  3. Mitigate without a patch

    If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

Frequently Asked Questions

This is part of an ongoing campaign to attempt to typosquat crates in the [`polymarket-client-sdk`](https://crates.io/crates/polymarket-client-sdk) ecosystem to exfiltrate user credentials. The malicious crate had 1 version published on 2026-02-24 approximately 4 hours before removal and had no evidence of actual downloads. There were no crates depending on this crate on crates.io. The crates.io team advises anyone developing with Polymarket to review dependencies carefully. We are investigating ways to mitigate this attacker who appears to be very motivated to steal Polymarket credentials.
O3 Security · Impact-Aware SCA

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GHSA-5pmp-jpcf-pwx6: tracing-check