Vulnerability from bitnami_vulndb
Published
2026-06-29 11:14
Modified
2026-06-29 11:33
Summary
Configuration Injection via Carriage Return (\r) in write() method
Details

When using the "configparser" module to write configuration files containing multi-line text values with carriage return characters (\r) the resulting file could be injected with unexpected keys and values if the attacker controls the written value.

To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "Bitnami",
        "name": "python",
        "purl": "pkg:bitnami/python"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "SEMVER"
        }
      ],
      "severity": [
        {
          "score": "CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "type": "CVSS_V4"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-0864"
  ],
  "database_specific": {
    "cpes": [
      "cpe:2.3:a:python:python:*:*:*:*:*:*:*:*"
    ],
    "severity": "Medium"
  },
  "details": "When using the \"configparser\" module to write configuration files\ncontaining multi-line text values with carriage return characters (\\r) the\nresulting file could be injected with unexpected keys and values if the\nattacker controls the written value.",
  "id": "BIT-python-2026-0864",
  "modified": "2026-06-29T11:33:52.451Z",
  "published": "2026-06-29T11:14:48.032Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/python/cpython/commit/0adb386f6e68eb2e73d32e19f235d012df009528"
    },
    {
      "type": "WEB",
      "url": "https://github.com/python/cpython/commit/5858e42c539dac8394636a6e9b30472b8994851f"
    },
    {
      "type": "WEB",
      "url": "https://github.com/python/cpython/commit/71f2e02a52d47417a6fd69f456346cd8aa7aca98"
    },
    {
      "type": "WEB",
      "url": "https://github.com/python/cpython/commit/aaf850fd333cd89e9aada03d92aaa788a6cb1bb8"
    },
    {
      "type": "WEB",
      "url": "https://github.com/python/cpython/issues/143927"
    },
    {
      "type": "WEB",
      "url": "https://github.com/python/cpython/pull/151559"
    },
    {
      "type": "WEB",
      "url": "https://mail.python.org/archives/list/security-announce@python.org/thread/CV4NE6AFCRJL7XQOHX7J5TSDHUWVWGJS/"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-0864"
    }
  ],
  "schema_version": "1.6.2",
  "summary": "Configuration Injection via Carriage Return (\\r) in write() method"
}


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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.