GHSA-p5vf-5754-x7p3: Polymarket client sdks `polymarket-client-sdks` Was Removed From Crates.io Vulnerability

CRITICAL
Share
CWE-506
Published
Advisory Summary

GHSA-p5vf-5754-x7p3 is a CRITICAL `polymarket-client-sdks` was removed from crates.io vulnerability (CWE-506: Embedded Malicious Code) affecting Polymarket client sdks libraries in the crates.io ecosystem. The issue involves `polymarket-client-sdks` was removed from crates.io for malicious code. Remediation is available in the latest vendor maintenance releases.

GHSA-p5vf-5754-x7p3 at a Glance

CVE Identifier N/A
GHSA Identifier GHSA-p5vf-5754-x7p3
Severity CRITICAL
CVSS v3.1 Base Score N/A
CWE Classification CWE-506: Embedded Malicious Code
Affected Product Polymarket client sdks
Package Ecosystem crates.io
Published Date
Last Updated

How to Fix GHSA-p5vf-5754-x7p3

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

polymarket-client-sdks fixed: Latest secure release 
Upgrade polymarket-client-sdks 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 polymarket-client-sdks

How to Check if You Are Affected

To determine whether your application is affected by GHSA-p5vf-5754-x7p3, inspect your project dependencies for Polymarket client sdks:

inspect dependencies for polymarket-client-sdks

Analyze the terminal output to locate any version of Polymarket client sdks 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 CWE-506: Embedded Malicious Code, where the product contains code that appears to be malicious in nature. In Polymarket client sdks, 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 appeared to be typosquatting existing crate [`polymarket-client-sdk`](https://crates.io/crates/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!

GHSA-p5vf-5754-x7p3 Affected Polymarket client sdks Versions

1 component(s)
Product / Package Ecosystem Affected Versions Fixed Version
polymarket-client-sdks
 crates.io

References

rustsec.org/advisories/rustsec-... WEB
https://rustsec.org/advisories/RUSTSEC-2026-0011.html

Frequently Asked Questions

What is GHSA-p5vf-5754-x7p3?
GHSA-p5vf-5754-x7p3 is a security vulnerability in Polymarket client sdks involving `polymarket-client-sdks` was removed from crates.io for malicious code under CWE-506: Embedded Malicious Code.
Which Polymarket client sdks versions are affected?
Affected versions include releases prior to current release patches across affected packages: polymarket-client-sdks.
What version fixes GHSA-p5vf-5754-x7p3?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
Is polymarket-client-sdks affected?
Yes, polymarket-client-sdks is affected in releases prior to Latest secure release. Upgrade your dependency to Latest secure release or later.
What CWE is associated with GHSA-p5vf-5754-x7p3?
GHSA-p5vf-5754-x7p3 is classified under CWE-506: Embedded Malicious Code (The product contains code that appears to be malicious in nature.).
How can I check crates.io dependencies for GHSA-p5vf-5754-x7p3?
Run the dependency tree command: 'inspect dependencies for polymarket-client-sdks'. 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-p5vf-5754-x7p3",
  "modified" : "2026-02-13T21:02:38Z",
  "published" : "2026-02-13T21:02:38Z",
  "aliases" : [ ],
  "summary" : "`polymarket-client-sdks` was removed from crates.io for malicious code",
  "details" : "It appeared to be typosquatting existing crate [`polymarket-client-sdk`](https://crates.io/crates/polymarket-client-sdk) (`sdks` vs `sdk`) and attempting to steal credentials from local files.\n\nThe 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.\n\nThanks to Roland Peelen for finding and reporting this to the crates.io team!",
  "severity" : [ ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "crates.io",
      "name" : "polymarket-client-sdks"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://rustsec.org/advisories/RUSTSEC-2026-0011.html"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-506" ],
    "severity" : "CRITICAL",
    "github_reviewed" : true,
    "github_reviewed_at" : "2026-02-13T21:02:38Z",
    "nvd_published_at" : null
  }
}