rustsec-2026-0171
Vulnerability from osv_rustsec
Published
2026-06-03 12:00
Modified
2026-06-04 19:46
Summary
`logflux` was removed from crates.io for malicious code
Details

The logflux crate attempted to download and run a malicious payload on the user's machine.

The malicious crate had 1 version published on 2026-04-26, approximately 1 month before removal, and had no evidence of actual usage. This crate had no dependencies on crates.io.

Thanks to Paweł Bis for discovering and reporting this crate!

This appears to have been part of a campaign targeting people applying for Rust jobs. Please be careful with take-home assignments, especially if they ask you to use specific dependencies.

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": "logflux",
        "purl": "pkg:cargo/logflux"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0.0.0-0"
            }
          ],
          "type": "SEMVER"
        }
      ],
      "versions": []
    }
  ],
  "aliases": [],
  "database_specific": {
    "license": "CC0-1.0"
  },
  "details": "The `logflux` crate attempted to download and run a malicious payload on the\nuser\u0027s machine.\n\nThe malicious crate had 1 version published on 2026-04-26, approximately 1\nmonth before removal, and had no evidence of actual usage. This crate had no\ndependencies on crates.io.\n\nThanks to Pawe\u0142 Bis for discovering and reporting this crate!\n\nThis appears to have been part of a campaign targeting people applying for Rust\njobs. Please be careful with take-home assignments, especially if they ask you\nto use specific dependencies.",
  "id": "RUSTSEC-2026-0171",
  "modified": "2026-06-04T19:46:31Z",
  "published": "2026-06-03T12:00:00Z",
  "references": [
    {
      "type": "PACKAGE",
      "url": "https://crates.io/crates/logflux"
    },
    {
      "type": "ADVISORY",
      "url": "https://rustsec.org/advisories/RUSTSEC-2026-0171.html"
    }
  ],
  "related": [],
  "severity": [],
  "summary": "`logflux` 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.