CVE-2026-55865

Python Liquid is a Python engine for the Liquid template language. Prior to 2.2.1, given a malformed % case % tag without an associated % when % or % else % block and no terminating % endcase % tag, Python Liquid hangs in an infinite loop at parse time because liquid.TokenStream.eof did not give...

CVE-2026-55865

Python Liquid is a Python engine for the Liquid template language. Prior to 2.2.1, given a malformed % case % tag without an associated % when % or % else % block and no terminating % endcase % tag, Python Liquid hangs in an infinite loop at parse time because liquid.TokenStream.eof did not give...

CVE-2026-55865 Python Liquid: Infinite loop when parsing malformed `{% case %}` tags

Python Liquid is a Python engine for the Liquid template language. Prior to 2.2.1, given a malformed % case % tag without an associated % when % or % else % block and no terminating % endcase % tag, Python Liquid hangs in an infinite loop at parse time because liquid.TokenStream.eof did not give...

CVE-2026-55865 Python Liquid: Infinite loop when parsing malformed `{% case %}` tags

Python Liquid is a Python engine for the Liquid template language. Prior to 2.2.1, given a malformed % case % tag without an associated % when % or % else % block and no terminating % endcase % tag, Python Liquid hangs in an infinite loop at parse time because liquid.TokenStream.eof did not give...

CVE-2026-55865

CVE-2026-55865 concerns the Python Liquid template engine. Before version 2.2.1, a malformed {% case %} tag without a corresponding {% when %} or {% else %} and without a terminating {% endcase %} could cause an infinite loop during parsing, due to an incorrect EOF token handling in liquid.TokenS...

Infinite loop

Overview python-liquid is an A Python engine for the Liquid template language. Affected versions of this package are vulnerable to Infinite loop in the % case % tag parsing logic, caused by an incorrect definition of the EOF token's kind and value in the TokenStream.eof attribute. A user who can...

GHSA-VQ2F-VCC9-J8MV Python Liquid: Infinite loop when parsing malformed `{% case %}` tags

Impact Given a malformed % case % tag without associated % when % or % else % block, and no terminating % endcase % tag, Python Liquid hangs in an infinite loop at parse time. This allows malicious template authors to craft templates for a denial of service attack. Patches The issue is fixed in...

PT-2026-51120

Name of the Vulnerable Software and Affected Versions Python Liquid versions prior to 2.2.1 Description A denial of service issue exists where the engine hangs in an infinite loop during parse time. This occurs when a malformed % case % tag is used without an associated % when % or % else % block...