Vulnerability-Lookup

rustsec-2026-0011

Vulnerability from osv_rustsec

Published

2026-02-13 12:00

Modified

2026-03-17 22:31

Summary

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

Details

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!

References

URL

Type

	https://crates.io/crates/polymarket-client-sdks	PACKAGE
	https://rustsec.org/advisories/RUSTSEC-2026-0011.html	ADVISORY

JSON

To clipboard

{
  "affected": [
    {
      "database_specific": {
        "categories": [
          "malicious"
        ],
        "cvss": null,
        "informational": null
      },
      "ecosystem_specific": {
        "affected_functions": null,
        "affects": {
          "arch": [],
          "functions": [],
          "os": []
        }
      },
      "package": {
        "ecosystem": "crates.io",
        "name": "polymarket-client-sdks",
        "purl": "pkg:cargo/polymarket-client-sdks"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0.0.0-0"
            }
          ],
          "type": "SEMVER"
        }
      ],
      "versions": []
    }
  ],
  "aliases": [
    "GHSA-p5vf-5754-x7p3"
  ],
  "database_specific": {
    "license": "CC0-1.0"
  },
  "details": "It appeared to be typosquatting existing crate\n[`polymarket-client-sdk`](https://crates.io/crates/polymarket-client-sdk) (`sdks` vs `sdk`)\nand 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.\nThere 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!",
  "id": "RUSTSEC-2026-0011",
  "modified": "2026-03-17T22:31:38Z",
  "published": "2026-02-13T12:00:00Z",
  "references": [
    {
      "type": "PACKAGE",
      "url": "https://crates.io/crates/polymarket-client-sdks"
    },
    {
      "type": "ADVISORY",
      "url": "https://rustsec.org/advisories/RUSTSEC-2026-0011.html"
    }
  ],
  "related": [],
  "severity": [],
  "summary": "`polymarket-client-sdks` was removed from crates.io for malicious code"
}

GHSA-P5VF-5754-X7P3

Vulnerability from github – Published: 2026-02-13 21:02 – Updated: 2026-02-13 21:02

Summary

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

Details

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!

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "crates.io",
        "name": "polymarket-client-sdks"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [],
  "database_specific": {
    "cwe_ids": [
      "CWE-506"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-02-13T21:02:38Z",
    "nvd_published_at": null,
    "severity": "CRITICAL"
  },
  "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!",
  "id": "GHSA-p5vf-5754-x7p3",
  "modified": "2026-02-13T21:02:38Z",
  "published": "2026-02-13T21:02:38Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://rustsec.org/advisories/RUSTSEC-2026-0011.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [],
  "summary": "`polymarket-client-sdks` was removed from crates.io for malicious code"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.