{
  "cveId": "CVE-2026-97687",
  "url": "https://patchblox.com/security/cve/CVE-2026-97687",
  "summary": "CVE-2026-97687 is fixed in 5 products on 1 platform, first by python3-urllib3 2.6.3-1ubuntu1.2, released September 29, 2026. It is not reported as exploited. Patch Radar priority: High.",
  "title": "urllib3: HTTPS proxy TLS configuration may be ignored or overridden",
  "description": "Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to many system calls and libraries, as well as to various windowing systems.  \n\nSecurity Fix(es):  \n\n  * urllib3: urllib3: Denial of Service via unbounded memory allocation in chunk parser (CVE-2026-97689)\n  * urllib3: urllib3: Traffic interception via HTTPS proxy TLS configuration override (CVE-2026-97687)\n\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.",
  "published": "2026-09-29T09:17:00Z",
  "severity": "Important",
  "cvss": 8.1,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N",
  "cwe": "Improper Certificate Validation",
  "epss": 0.00206,
  "epssPercentile": 0.10705,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-97687",
  "fixes": [
    {
      "platform": "linux",
      "product": "python-urllib3",
      "release": "Debian 14",
      "fixedVersion": "2.8.0-1",
      "fix": "DEBIAN-CVE-2026-97687",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-97687",
      "released": "2026-09-30T20:39:22Z"
    },
    {
      "platform": "linux",
      "product": "python-urllib3",
      "release": "RHEL 10",
      "fixedVersion": "1.26.19-4.el10_2.2",
      "fix": "RHSA-2026:85930",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-85930",
      "released": "2026-09-29T15:36:05Z"
    },
    {
      "platform": "linux",
      "product": "python-urllib3",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "2.5.0-160000.8.1",
      "fix": "OPENSUSE-SU-2026:22071-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-22071-1",
      "released": "2026-11-07T00:48:28Z"
    },
    {
      "platform": "linux",
      "product": "python-urllib3",
      "release": "rocky 10",
      "fixedVersion": "0:1.26.19-4.el10_2.2",
      "fix": "RLSA-2026:85930",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2026-85930",
      "released": "2026-11-07T00:39:51Z"
    },
    {
      "platform": "linux",
      "product": "python-urllib3",
      "release": "rocky 9",
      "fixedVersion": "0:1.26.5-8.el9_8.2",
      "fix": "RLSA-2026:90494",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2026-90494",
      "released": "2026-11-07T00:39:57Z"
    },
    {
      "platform": "linux",
      "product": "python-urllib3",
      "release": "sles 15.6",
      "fixedVersion": "2.0.7-150400.7.36.1",
      "fix": "SUSE-SU-2026:4704-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-4704-1",
      "released": "2026-11-07T00:43:02Z"
    },
    {
      "platform": "linux",
      "product": "python-urllib3",
      "release": "sles 15.7",
      "fixedVersion": "2.0.7-150400.7.36.1",
      "fix": "SUSE-SU-2026:4704-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-4704-1",
      "released": "2026-11-07T00:43:02Z"
    },
    {
      "platform": "linux",
      "product": "python-urllib3",
      "release": "sles 16.0",
      "fixedVersion": "2.5.0-160000.8.1",
      "fix": "SUSE-SU-2026:24217-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-24217-1",
      "released": "2026-11-07T00:45:20Z"
    },
    {
      "platform": "linux",
      "product": "python-urllib3_1",
      "release": "sles 15.6",
      "fixedVersion": "1.26.18-150600.3.14.1",
      "fix": "SUSE-SU-2026:4948-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-4948-1",
      "released": "2026-11-07T00:43:02Z"
    },
    {
      "platform": "linux",
      "product": "python-urllib3_1",
      "release": "sles 15.7",
      "fixedVersion": "1.26.18-150600.3.14.1",
      "fix": "SUSE-SU-2026:4948-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-4948-1",
      "released": "2026-11-07T00:43:02Z"
    },
    {
      "platform": "linux",
      "product": "python3-urllib3",
      "release": "RHEL 9",
      "fixedVersion": "0:1.26.5-8.el9_8.2",
      "fix": "RHSA-2026:90494",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-90494",
      "released": "2026-10-29T21:40:03Z"
    },
    {
      "platform": "linux",
      "product": "python3-urllib3",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "2.6.3-1ubuntu1.2",
      "fix": "python3-urllib3 2.6.3-1ubuntu1.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-python3-urllib3-2.6.3-1ubuntu1.2",
      "released": "2026-09-29T09:17:00Z"
    },
    {
      "platform": "linux",
      "product": "python3-urllib3",
      "release": "almalinux 10",
      "fixedVersion": "1.26.19-4.el10_2.2",
      "fix": "ALSA-2026:85930",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-85930",
      "released": "2026-11-07T00:40:04Z"
    },
    {
      "platform": "linux",
      "product": "python3-urllib3",
      "release": "almalinux 9",
      "fixedVersion": "1.26.5-8.el9_8.2",
      "fix": "ALSA-2026:90494",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-90494",
      "released": "2026-11-07T00:41:11Z"
    },
    {
      "platform": "linux",
      "product": "python3-urllib3",
      "release": "ol 10",
      "fixedVersion": "0:1.26.19-4.el10_2.2",
      "fix": "ELSA-2026-85930",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-85930",
      "released": "2026-11-07T00:59:15Z"
    },
    {
      "platform": "linux",
      "product": "python3-urllib3",
      "release": "ol 9",
      "fixedVersion": "0:1.26.5-8.el9_8.2",
      "fix": "ELSA-2026-90494",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-90494",
      "released": "2026-11-07T00:52:27Z"
    },
    {
      "platform": "linux",
      "product": "python3.12-urllib3",
      "release": "RHEL 8",
      "fixedVersion": "0:1.26.19-5.el8_10",
      "fix": "RHSA-2026:92474",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-92474",
      "released": "2026-10-30T22:08:02Z"
    },
    {
      "platform": "linux",
      "product": "python3.12-urllib3",
      "release": "RHEL 9",
      "fixedVersion": "0:1.26.19-3.el9_8.2",
      "fix": "RHSA-2026:85929",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-85929",
      "released": "2026-10-21T16:56:56Z"
    },
    {
      "platform": "linux",
      "product": "python3.12-urllib3",
      "release": "almalinux 8",
      "fixedVersion": "1.26.19-5.el8_10",
      "fix": "ALSA-2026:92474",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-92474",
      "released": "2026-11-07T00:40:18Z"
    },
    {
      "platform": "linux",
      "product": "python3.12-urllib3",
      "release": "almalinux 9",
      "fixedVersion": "1.26.19-3.el9_8.2",
      "fix": "ALSA-2026:85929",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-85929",
      "released": "2026-11-07T00:41:11Z"
    },
    {
      "platform": "linux",
      "product": "python3.12-urllib3",
      "release": "ol 8",
      "fixedVersion": "0:1.26.19-5.el8_10",
      "fix": "ELSA-2026-92474",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-92474",
      "released": "2026-11-07T00:48:28Z"
    },
    {
      "platform": "linux",
      "product": "python3.12-urllib3",
      "release": "ol 9",
      "fixedVersion": "0:1.26.19-3.el9_8.2",
      "fix": "ELSA-2026-85929",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-85929",
      "released": "2026-11-07T00:52:27Z"
    },
    {
      "platform": "linux",
      "product": "python3.12-urllib3",
      "release": "rocky 8",
      "fixedVersion": "0:1.26.19-5.el8_10",
      "fix": "RLSA-2026:92474",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2026-92474",
      "released": "2026-11-07T00:39:57Z"
    },
    {
      "platform": "linux",
      "product": "python3.12-urllib3",
      "release": "rocky 9",
      "fixedVersion": "0:1.26.19-3.el9_8.2",
      "fix": "RLSA-2026:85929",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2026-85929",
      "released": "2026-11-07T00:39:57Z"
    },
    {
      "platform": "linux",
      "product": "python3.14-urllib3",
      "release": "RHEL 10",
      "fixedVersion": "2.6.3-2.el10_2.6",
      "fix": "RHSA-2026:84578",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-84578",
      "released": "2026-10-19T16:29:54Z"
    },
    {
      "platform": "linux",
      "product": "python3.14-urllib3",
      "release": "RHEL 9",
      "fixedVersion": "0:2.6.3-2.el9_8.6",
      "fix": "RHSA-2026:84577",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-84577",
      "released": "2026-10-19T16:29:54Z"
    },
    {
      "platform": "linux",
      "product": "python3.14-urllib3",
      "release": "almalinux 10",
      "fixedVersion": "2.6.3-2.el10_2.6",
      "fix": "ALSA-2026:84578",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-84578",
      "released": "2026-11-07T00:40:04Z"
    },
    {
      "platform": "linux",
      "product": "python3.14-urllib3",
      "release": "almalinux 9",
      "fixedVersion": "2.6.3-2.el9_8.6",
      "fix": "ALSA-2026:84577",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-84577",
      "released": "2026-11-07T00:41:11Z"
    },
    {
      "platform": "linux",
      "product": "python3.14-urllib3",
      "release": "ol 10",
      "fixedVersion": "0:2.6.3-2.el10_2.6",
      "fix": "ELSA-2026-84578",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-84578",
      "released": "2026-11-07T00:59:15Z"
    },
    {
      "platform": "linux",
      "product": "python3.14-urllib3",
      "release": "ol 9",
      "fixedVersion": "0:2.6.3-2.el9_8.6",
      "fix": "ELSA-2026-84577",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-84577",
      "released": "2026-11-07T00:52:27Z"
    },
    {
      "platform": "linux",
      "product": "python3.14-urllib3",
      "release": "rocky 10",
      "fixedVersion": "0:2.6.3-2.el10_2.6",
      "fix": "RLSA-2026:84578",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2026-84578",
      "released": "2026-11-07T00:39:51Z"
    },
    {
      "platform": "linux",
      "product": "python3.14-urllib3",
      "release": "rocky 9",
      "fixedVersion": "0:2.6.3-2.el9_8.6",
      "fix": "RLSA-2026:84577",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2026-84577",
      "released": "2026-11-07T00:39:57Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-09T07:25:28Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}