rustsec-2026-0014
Vulnerability from osv_rustsec
Published
2026-02-19 12:00
Modified
2026-03-17 22:31
Summary
`rpc-check` was removed from crates.io for malicious code
Details

It was attempting to steal credentials from the POLYMARKET_PRIVATE_KEY environment variable.

The malicious crate had 3 versions published on 2026-02-15 and had been downloaded only 155 times. There were no crates depending on this crate on crates.io.

Thanks to Sisong Li for finding and reporting this to the crates.io team!

References
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": "rpc-check",
        "purl": "pkg:cargo/rpc-check"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0.0.0-0"
            }
          ],
          "type": "SEMVER"
        }
      ],
      "versions": []
    }
  ],
  "aliases": [],
  "database_specific": {
    "license": "CC0-1.0"
  },
  "details": "It was attempting to steal credentials from the `POLYMARKET_PRIVATE_KEY` environment variable.\n\nThe malicious crate had 3 versions published on 2026-02-15 and had been downloaded only 155 times.\nThere were no crates depending on this crate on crates.io.\n\nThanks to Sisong Li for finding and reporting this to the crates.io team!",
  "id": "RUSTSEC-2026-0014",
  "modified": "2026-03-17T22:31:38Z",
  "published": "2026-02-19T12:00:00Z",
  "references": [
    {
      "type": "PACKAGE",
      "url": "https://crates.io/crates/rpc-check"
    },
    {
      "type": "ADVISORY",
      "url": "https://rustsec.org/advisories/RUSTSEC-2026-0014.html"
    }
  ],
  "related": [],
  "severity": [],
  "summary": "`rpc-check` was removed from crates.io for malicious code"
}


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Sightings

Author Source Type Date

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.