CVE-2022-42966: Python-Poetry Cleo

High severity, CVSS 7.5. EPSS: 1% chance of exploitation in the next 30 days.

An exponential ReDoS (Regular Expression Denial of Service) can be triggered in the cleo PyPI package, when an attacker is able to supply arbitrary input to the Table.set_rows method

Affected products

• Python-Poetry Cleo: before 2.0.0 (fixed in 2.0.0)

Published 2022-11-09. Last modified 2026-06-17.