{
  "cveId": "CVE-2026-21619",
  "url": "https://patchblox.com/security/cve/CVE-2026-21619",
  "summary": "CVE-2026-21619 is fixed in 2 products on 1 platform, first by DEBIAN-CVE-2026-21619, released February 27, 2026. It is not reported as exploited. Patch Radar priority: High.",
  "title": "rebar3: Uncontrolled Resource Consumption, Deserialization of Untrusted Data vulnerability in hexpm hex_core (hex_api modules...",
  "description": "Uncontrolled Resource Consumption, Deserialization of Untrusted Data vulnerability in hexpm hex_core (hex_api modules), hexpm hex (mix_hex_api modules), erlang rebar3 (r3_hex_api modules) allows Object Injection, Excessive Allocation. This vulnerability is associated with program files src/hex_api.erl, src/mix_hex_api.erl, apps/rebar/src/vendored/r3_hex_api.erl and program routines hex_core:request/4, mix_hex_api:request/4, r3_hex_api:request/4.  This issue affects hex_core: from 0.1.0 before 0.12.1; hex: from 2.3.0 before 2.3.2; rebar3: from 3.9.1 before 3.27.0.",
  "published": "2026-02-27T18:16:11Z",
  "severity": "high",
  "cvss": 7.5,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
  "epss": 0.00638,
  "epssPercentile": 0.50843,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "erlang-hex",
      "release": "Debian 14",
      "fixedVersion": "2.4.2-2",
      "fix": "DEBIAN-CVE-2026-21619",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-21619",
      "released": "2026-02-27T18:16:11Z"
    },
    {
      "platform": "linux",
      "product": "rebar3",
      "release": "Debian 14",
      "fixedVersion": "3.27.0-1",
      "fix": "DEBIAN-CVE-2026-21619",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-21619",
      "released": "2026-02-27T18:16:11Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-09T01:18:40Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}