{
  "cveId": "CVE-2026-45793",
  "url": "https://patchblox.com/security/cve/CVE-2026-45793",
  "summary": "CVE-2026-45793 is fixed in 2 products on 1 platform, first by DEBIAN-CVE-2026-45793, released May 15, 2026. It is not reported as exploited. Patch Radar priority: High.",
  "title": "composer: Composer is a dependency Manager for the PHP language",
  "description": "Composer is a dependency Manager for the PHP language. Prior to 1.10.28, 2.2.28, and 2.9.8, Composer\\IO\\BaseIO::loadConfiguration() validates GitHub OAuth tokens with the regex ^[.A-Za-z0-9_]\u002B$ and interpolates rejected tokens into an UnexpectedValueException; GitHub Actions GITHUB_TOKEN values using the ghs_\u003Cid\u003E_\u003Cbase64url-JWT\u003E format can contain -, fail validation, and be disclosed to stderr or CI logs. This issue is fixed in versions 1.10.28, 2.2.28, and 2.9.8.",
  "published": "2026-06-08T09:00:00Z",
  "severity": "high",
  "cvss": 7.5,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
  "epss": 0.01021,
  "epssPercentile": 0.6365,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "composer",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "2.5.5-1\u002Bdeb12u5",
      "fix": "DEBIAN-CVE-2026-45793",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-45793",
      "released": "2026-05-15T16:01:09Z"
    },
    {
      "platform": "linux",
      "product": "composer",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "2.8.8-1\u002Bdeb13u3",
      "fix": "DEBIAN-CVE-2026-45793",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-45793",
      "released": "2026-05-15T16:01:09Z"
    },
    {
      "platform": "linux",
      "product": "composer",
      "release": "Debian 14",
      "fixedVersion": "2.10.0-1",
      "fix": "DEBIAN-CVE-2026-45793",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-45793",
      "released": "2026-05-15T16:01:09Z"
    },
    {
      "platform": "linux",
      "product": "composer",
      "release": "amzn 2023",
      "fixedVersion": "2.9.8-1.amzn2023.0.1",
      "fix": "ALAS2023-2026-1800",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-1800",
      "released": "2026-06-08T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "php-composer2",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "2.8.9-160000.6.1",
      "fix": "OPENSUSE-SU-2026:21970-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21970-1",
      "released": "2026-09-29T14:57:30Z"
    },
    {
      "platform": "linux",
      "product": "php-composer2",
      "release": "sles 15.6",
      "fixedVersion": "2.6.4-150600.3.12.1",
      "fix": "SUSE-SU-2026:3105-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-3105-1",
      "released": "2026-07-17T13:32:56Z"
    },
    {
      "platform": "linux",
      "product": "php-composer2",
      "release": "sles 15.7",
      "fixedVersion": "2.6.4-150600.3.23.1",
      "fix": "SUSE-SU-2026:4288-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-4288-1",
      "released": "2026-09-22T16:09:53Z"
    },
    {
      "platform": "linux",
      "product": "php-composer2",
      "release": "sles 15.7",
      "fixedVersion": "2.6.4-150600.3.12.1",
      "fix": "SUSE-SU-2026:3105-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-3105-1",
      "released": "2026-07-17T13:32:56Z"
    },
    {
      "platform": "linux",
      "product": "php-composer2",
      "release": "sles 16.0",
      "fixedVersion": "2.8.9-160000.6.1",
      "fix": "SUSE-SU-2026:23943-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-23943-1",
      "released": "2026-09-29T14:45:31Z"
    }
  ],
  "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"
  }
}