PYSEC-2026-502

Vulnerability from pysec - Published: 2026-06-29 11:50 - Updated: 2026-07-01 20:23
VLAI
Details

PyMySQL through 1.1.0 allows SQL injection if used with untrusted JSON input because keys are not escaped by escape_dict.

Severity
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Impacted products
Name purl
pymysql pkg:pypi/pymysql
Aliases
To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "pymysql",
        "purl": "pkg:pypi/pymysql"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.1.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.10.0",
        "0.10.1",
        "0.2",
        "0.3",
        "0.4",
        "0.5",
        "0.6",
        "0.6.1",
        "0.6.2",
        "0.6.2-rc1",
        "0.6.3",
        "0.6.4",
        "0.6.4.dev1",
        "0.6.5",
        "0.6.6",
        "0.6.7",
        "0.7.0",
        "0.7.1",
        "0.7.10",
        "0.7.11",
        "0.7.2",
        "0.7.3",
        "0.7.4",
        "0.7.5",
        "0.7.6",
        "0.7.7",
        "0.7.8",
        "0.7.9",
        "0.8.0",
        "0.8.1",
        "0.9.0",
        "0.9.1",
        "0.9.2",
        "0.9.3",
        "1.0.0",
        "1.0.1",
        "1.0.2",
        "1.0.3",
        "1.0.3rc1",
        "1.1.0",
        "1.1.0rc1",
        "1.1.0rc2"
      ]
    }
  ],
  "aliases": [
    "CVE-2024-36039",
    "GHSA-v9hf-5j83-6xpp"
  ],
  "details": "PyMySQL through 1.1.0 allows SQL injection if used with untrusted JSON input because keys are not escaped by `escape_dict`.",
  "id": "PYSEC-2026-502",
  "modified": "2026-07-01T20:23:03.004299Z",
  "published": "2026-06-29T11:50:39.950131Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-36039"
    },
    {
      "type": "WEB",
      "url": "https://github.com/PyMySQL/PyMySQL/commit/521e40050cb386a499f68f483fefd144c493053c"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/PyMySQL/PyMySQL"
    },
    {
      "type": "WEB",
      "url": "https://github.com/PyMySQL/PyMySQL/releases/tag/v1.1.1"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2024/05/msg00017.html"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/23VXBV34GFRICCVYZ6KFMSSWY5UEXCF5"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/35VOJS3SRJNLQIO7YTZFNM6RWHIHWTMK"
    },
    {
      "type": "PACKAGE",
      "url": "https://pypi.org/project/pymysql"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-v9hf-5j83-6xpp"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "PyMySQL SQL Injection vulnerability"
}


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