{
  "fix": "python-jwt 1.5.3\u002Bds1-1ubuntu0.1\u002Besm3",
  "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-python-jwt-1.5.3-ds1-1ubuntu0.1-esm3",
  "summary": "python-jwt 1.5.3\u002Bds1-1ubuntu0.1\u002Besm3, released October 27, 2026, fixes 4 CVEs in python-jwt. None of them is reported as exploited. Patch Radar priority: Urgent. The product is no longer supported.",
  "platform": "linux",
  "type": "package",
  "title": "python-jwt 1.5.3\u002Bds1-1ubuntu0.1\u002Besm3 for Ubuntu 18.04.6 LTS (bionic)",
  "released": "2026-10-27T21:14:57Z",
  "priority": "Urgent",
  "priorityTier": 2,
  "priorityReason": "Closes CVE-2026-102268, rated Critical",
  "supported": false,
  "cveCount": 4,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00236,
  "maxCvss": 9.1,
  "appliesTo": [
    {
      "product": "python-jwt",
      "productUrl": "https://patchblox.com/security/product/linux/python-jwt",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.5.3\u002Bds1-1ubuntu0.1\u002Besm3",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2026-102268",
      "url": "https://patchblox.com/security/cve/CVE-2026-102268",
      "title": "PyJWT: Asymmetric-PEM detection bypass: whitespace/line-ending-mutated public keys skip the HS/asymmetric confusion guard",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 9.1,
      "epss": 0.00236,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-102272",
      "url": "https://patchblox.com/security/cve/CVE-2026-102272",
      "title": "PyJWT BOM Bypass",
      "priority": "High",
      "severity": "Important",
      "cvss": 9.1,
      "epss": 0.00216,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-102271",
      "url": "https://patchblox.com/security/cve/CVE-2026-102271",
      "title": "PyJWT: Public keys in DER form are accepted as HMAC secrets, bypassing the CVE-2022-29217 guard",
      "priority": "High",
      "severity": "Important",
      "cvss": 9.1,
      "epss": 0.00215,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-102273",
      "url": "https://patchblox.com/security/cve/CVE-2026-102273",
      "title": "PyJWT accepts public JWK containers as HMAC secrets",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.4,
      "epss": 0.00175,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-11T13:47:35Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}