What is CVE-2026-19017?

CVE-2026-19017 is a medium-severity vulnerability in Hashicorp Consul, classified under Missing Authorization. CVSS score: 6.8/10. Published 2026-08-07.

How severe is CVE-2026-19017?

Medium severity. CVSS v3 base score is 6.8 out of 10.

Auth bypass in Hashicorp Consul

CVE-2026-19017

Consul Community Edition and Consul Enterprise 1.18.21 through 2.0.2 are vulnerable to a partial arbitrary file read when configured to use the Vault Connect CA provider with JWT or AppRole authentication. A privileged attacker with `opera…

Vulnerability class: Broken Access Control

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N.

Affected products

Hashicorp Consul — versions 1.18.21
Hashicorp Consul Enterprise — versions 1.18.21

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

security@hashicorp.com

Frequently asked questions

What is CVE-2026-19017?: CVE-2026-19017 is a medium-severity vulnerability in Hashicorp Consul, classified under Missing Authorization. CVSS score: 6.8/10. Published 2026-08-07.
How severe is CVE-2026-19017?: Medium severity. CVSS v3 base score is 6.8 out of 10.