CVE-2021-32561: Octoprint

Medium severity, CVSS 6.1. EPSS: 1.2% chance of exploitation in the next 30 days.

OctoPrint before 1.6.0 allows XSS because API error messages include the values of input parameters.

Affected products

• Octoprint Octoprint: before 1.6.0 (fixed in 1.6.0)

Published 2021-05-11. Last modified 2026-06-17.