andialbrecht sqlparse up to 0.5.x Output output.py sqlparse.format output_format code injection

Summaryinfo

A vulnerability was found in andialbrecht sqlparse up to 0.5.x and classified as critical. This affects the function sqlparse.format of the file sqlparse/filters/output.py of the component Output. Executing a manipulation of the argument output_format can lead to code injection. This vulnerability is registered as CVE-2026-59894. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability has been found in andialbrecht sqlparse up to 0.5.x and classified as critical. This vulnerability affects the function sqlparse.format of the file sqlparse/filters/output.py of the component Output. The manipulation of the argument output_format with an unknown input leads to a code injection vulnerability. The CWE definition for the vulnerability is CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

sqlparse is a non-validating SQL parser module for Python. Prior to 0.6.0, sqlparse/filters/output.py fails to escape existing backslashes before quotes in sqlparse.format output_format='python' and output_format='php' and the corresponding sqlformat -l modes, allowing crafted SQL to terminate the generated string and inject Python or PHP code when a downstream consumer executes or imports the generated source. This issue is fixed in version 0.6.0.

The advisory is shared for download at github.com. This vulnerability was named CVE-2026-59894 since 07/07/2026. The exploitation appears to be easy. The attack can be initiated remotely. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1059.

Upgrading to version 0.6.0 eliminates this vulnerability.

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Productinfo

Vendor

• andialbrecht

Name

• sqlparse

Version

• 0.1
• 0.2
• 0.3
• 0.4
• 0.5

Website

• Product: https://github.com/andialbrecht/sqlparse/

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