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RUSTSEC-2026-0287

Vulnerability from osv_rustsec – Published: 2026-09-17 12:00 – Updated: 2026-09-18 09:06 – Source website
VLAI
Summary
cosmian_kyber is unmaintained
Details

cosmian_kyber is a fork of Argyle-Software/kyber that has seen no maintainer activity. It inherits the fork parent's broken AVX2 constant-time code, and the open fix pull request (Cosmian/kyber#6) has gone unanswered.

Recommended alternatives:

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "categories": [],
        "cvss": null,
        "informational": "unmaintained"
      },
      "ecosystem_specific": {
        "affected_functions": null,
        "affects": {
          "arch": [],
          "functions": [],
          "os": []
        }
      },
      "package": {
        "ecosystem": "crates.io",
        "name": "cosmian_kyber",
        "purl": "pkg:cargo/cosmian_kyber"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0.0.0-0"
            }
          ],
          "type": "SEMVER"
        }
      ],
      "versions": []
    }
  ],
  "aliases": [],
  "database_specific": {
    "license": "CC0-1.0"
  },
  "details": "`cosmian_kyber` is a fork of `Argyle-Software/kyber` that has seen no maintainer\nactivity. It inherits the fork parent\u0027s broken AVX2 constant-time code, and the\nopen fix pull request (Cosmian/kyber#6) has gone unanswered.\n\nRecommended alternatives:\n\n- [aws-lc-rs](https://crates.io/crates/aws-lc-rs)\n- [graviola](https://crates.io/crates/graviola)",
  "id": "RUSTSEC-2026-0287",
  "modified": "2026-09-18T09:06:23Z",
  "published": "2026-09-17T12:00:00Z",
  "references": [
    {
      "type": "PACKAGE",
      "url": "https://crates.io/crates/cosmian_kyber"
    },
    {
      "type": "ADVISORY",
      "url": "https://rustsec.org/advisories/RUSTSEC-2026-0287.html"
    },
    {
      "type": "WEB",
      "url": "https://github.com/Cosmian/kyber/pull/6"
    }
  ],
  "related": [],
  "severity": [],
  "summary": "cosmian_kyber is unmaintained"
}



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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

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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.


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