PYSEC-2026-1521

vendorUSosv

Inefficient Regular Expression Complexity in langflow

view advisory published 2026-07-07Licence: CC-BY-4.0

A vulnerability classified as problematic was found in Langflow up to 1.0.18. Affected by this vulnerability is an unknown functionality of the file \src\backend\base\langflow\interface\utils.py of the component HTTP POST Request Handler. The manipulation of the argument remaining_text leads to inefficient regular expression complexity. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

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describes (1)

Related CVEs.

IDseverity exploitable
CVE-2024-9277USmedium6.5—
A vulnerability classified as problematic was found in Langflow up to 1.0.18. Affected by this vulnerability is an unknown functionality of the file \src\backend\base\langflow\inte…
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