RUSTSEC-2026-0155
Vulnerability from osv_rustsec
Published
2026-06-02 12:00
Modified
2026-06-03 08:48
Summary
`exploration` was removed from crates.io for malicious code
Details

A method within the exploration crate attempted to download and execute a payload from a remote site.

The malicious crate had 1 version published on 2026-06-02, approximately 1 hour before removal, and had no evidence of actual usage. This crate had no dependencies on crates.io.

Thanks to Kirill Boychenko from the Socket Threat Research Team for reporting this crate.

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": "exploration",
        "purl": "pkg:cargo/exploration"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0.0.0-0"
            }
          ],
          "type": "SEMVER"
        }
      ],
      "versions": []
    }
  ],
  "aliases": [],
  "database_specific": {
    "license": "CC0-1.0"
  },
  "details": "A method within the `exploration` crate attempted to download and execute a\npayload from a remote site.\n\nThe malicious crate had 1 version published on 2026-06-02, approximately 1 hour\nbefore removal, and had no evidence of actual usage. This crate had no\ndependencies on crates.io.\n\nThanks to Kirill Boychenko from the [Socket Threat Research\nTeam](https://socket.dev/) for reporting this crate.",
  "id": "RUSTSEC-2026-0155",
  "modified": "2026-06-03T08:48:05Z",
  "published": "2026-06-02T12:00:00Z",
  "references": [
    {
      "type": "PACKAGE",
      "url": "https://crates.io/crates/exploration"
    },
    {
      "type": "ADVISORY",
      "url": "https://rustsec.org/advisories/RUSTSEC-2026-0155.html"
    }
  ],
  "related": [],
  "severity": [],
  "summary": "`exploration` was removed from crates.io for malicious code"
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.