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CVE-2024-36039 — Vulnerability in pymysql — CVE Details

CRITICAL

PyMySQL SQL Injection vulnerability

Published June 29, 2026Updated July 1, 2026Source: osv

Summary

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

Advisory Timeline

  • First published June 29, 2026 (105 days ago).
  • Last revised July 1, 2026 — 2 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

pip
Update pymysql to 1.1.1 or later
pip install "pymysql>=1.1.1"

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (1)

Affects 1 ecosystem: pypi (1).

PackageEcosystemAffectedFixed In
pymysql
pypi
0.10.0, 0.10.1, 0.2, 0.3 (+38 more)1.1.1

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 9.8 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Frequently Asked Questions

What is CVE-2024-36039?
PyMySQL SQL Injection vulnerability This vulnerability has been assigned a severity rating of CRITICAL (CVSS score: 9.8/10).
How do I check if my project is affected by CVE-2024-36039?
CVE-2024-36039 affects pymysql. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2024-36039 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
9.8

Exploitation is straightforward and causes maximum impact. Patch immediately.

Also Known As

PYSEC-2026-502
GHSA-v9hf-5j83-6xpp

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