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polymarket-clients-sdk

polymarket-clients-sdk has 0 versions on crates.io flagged in 1 incident we track. Other versions of this package are not implicated - only the exact versions listed below were named by the source advisories.

Affected versions

Check what you actually have installed with cargo tree -i polymarket-clients-sdk.

    The incident that flagged it

    Medium

    Polymarket SDK typosquats on crates.io

    Three crates impersonating polymarket-client-sdk were published between 5 and 19 February 2026 and exfiltrated local credential files. The malicious crates were yanked and publisher accounts disabled. Combined downloads stayed under 100, but targeting was high-value (Polymarket / Web3 developers).

    Versions named here:

    What to do if you installed one of these

    Treat the machine as compromised rather than simply upgrading. Packages in these incidents typically execute at install time, so the payload has already run with whatever credentials were in the environment.

    1. 1.Rotate every credential that machine or CI job could reach - registry tokens, cloud keys, SSH keys, CI secrets - from a different machine.
    2. 2.Pin to a version not listed above, then reinstall from a clean lockfile.
    3. 3.Clear caches and private mirrors. Artifactory, Nexus, Verdaccio, and devpi routinely keep serving a tarball after the public registry has pulled it.
    4. 4.Read the incident write-up above - recommended actions differ per incident, and some have specific indicators of compromise worth grepping your logs for.

    Check your whole project

    polymarket-clients-sdk is one of many packages in these incidents, and it is usually pulled in as a transitive dependency rather than one you installed directly. We don't parse crates.io manifests yet, but the incident write-ups list every affected package.

    Browse the incident feed All flagged crates.io packages

    Other packages in the same incident

    If polymarket-clients-sdk is in your tree, these are worth checking too - they were published by the same campaign.

    See the full incident

    Version data comes from the public advisories cited on each incident page. We list only versions those advisories name - we don't infer additional ones. Think this is wrong or incomplete? Tell us.