CVE-2021-41803: Hashicorp Consul

High severity, CVSS 7.1. EPSS: 1.1% chance of exploitation in the next 30 days.

HashiCorp Consul 1.8.1 up to 1.11.8, 1.12.4, and 1.13.1 do not properly validate the node or segment names prior to interpolation and usage in JWT claim assertions with the auto config RPC. Fixed in 1.11.9, 1.12.5, and 1.13.2."

Affected products

• Hashicorp Consul: from 1.8.1, before 1.11.9 (fixed in 1.11.9); version 1.12.4 only; version 1.13.1 only

Published 2022-09-23. Last modified 2026-06-17.