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polymarket-client-sdks was removed from crates.io for malicious code

GHSA-p5vf-5754-x7p3

What to do

Vendor response not established. Follow the primary source's mitigation guidance and check back for a fix.

This page has no inventory attached, so it cannot say whether you are affected. A vendor fix is not proof that your deployment is fixed.

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Affected packages

  • crates.io polymarket-client-sdks

    Affected
    every version
    Fixed in
    no fixed version recorded

Sources

Severity and exploitation
Exploitation
No confirmed exploitation recorded. Patch Next marks exploitation only from CISA KEV.
CVSS
not scored
EPSS
No dated EPSS signal available.
Source description

As published by the source; long descriptions are shortened.

It appeared to be typosquatting existing crate polymarket-client-sdk (sdks vs sdk) and attempting to steal credentials from local files. The malicious crate had 1 version published on 2026-02-09 and had been downloaded only 33 times. There were no crates depending on this crate on crates.io. Thanks to Roland Peelen for finding and reporting this to the crates.io team!

Dates and revisions
Published by the source
Last modified by the source
Source last checked
  1. Revision 1 · created ·

    Published from ghsa record GHSA-p5vf-5754-x7p3

Agent brief

Preview the exact text before you copy it. Commands are read-only suggestions; review them before running anything.

# Patch Next advisory brief: GHSA-p5vf-5754-x7p3

Advisory: `polymarket-client-sdks` was removed from crates.io for malicious code
IDs: GHSA-p5vf-5754-x7p3
Record: https://patchnext.com/advisories/ghsa-p5vf-5754-x7p3 (revision 1, source checked 26 Oct 2026, 15:39 UTC)
Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected.
Severity: Unrated
Exploitation: no confirmed exploitation recorded. Patch Next confirms exploitation only from CISA KEV.
Vendor response: Vendor response not established. A vendor fix does not mean a deployment is fixed.

## Affected components
- crates.io polymarket-client-sdks: affected every version

## Suggested inspection (read-only)
- crates.io polymarket-client-sdks: check the installed version with your package manager.

## Supported action
No complete vendor fix is recorded. Follow the primary source's mitigation guidance and check this record again before closing anything.

## Required regression checks
- Run the test suite and a production build.
- Exercise the features that depend on polymarket-client-sdks.
- Repeat the inspection and confirm that only fixed versions remain installed.

## Rollback considerations
- Keep the previous lockfile and deployment artifact. Rolling back reinstates the vulnerable version, so apply any documented mitigation while you fix forward.

## Unresolved questions
- Which deployments run an affected version?
- Exploitation status can change. Check again before lowering the priority.
- Mark the work resolved only after the fixed version is verified in production.

## Sources
- Verified: https://github.com/advisories/GHSA-p5vf-5754-x7p3 (GitHub-reviewed advisory GHSA-p5vf-5754-x7p3 lists affected ranges: crates.io polymarket-client-sdks >=0)

Commands are suggestions: review each one before running it.

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