What is CVE-2026-19016?

CVE-2026-19016 is a medium-severity vulnerability in Hashicorp Consul, classified under Path Traversal. CVSS score: 4.2/10. Published 2026-08-07.

How severe is CVE-2026-19016?

Medium severity. CVSS v3 base score is 4.2 out of 10.

Path Traversal in Hashicorp Consul

CVE-2026-19016

Consul Community Edition and Consul Enterprise 1.19.1 through 2.0.2 did not enforce the {{session:write}} ACL permission for session deletion operations submitted through the transaction API. An authenticated caller with network access to…

Vulnerability class: Path Traversal (Directory Traversal)

CVSS v3 metric

CVSS v3 base score 4.2 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L.

Affected products

Hashicorp Consul — versions 1.19.1
Hashicorp Consul Enterprise — versions 1.19.1

Weakness classification (CWE)

CWE-22 — Path Traversal

References

security@hashicorp.com

Frequently asked questions

What is CVE-2026-19016?: CVE-2026-19016 is a medium-severity vulnerability in Hashicorp Consul, classified under Path Traversal. CVSS score: 4.2/10. Published 2026-08-07.
How severe is CVE-2026-19016?: Medium severity. CVSS v3 base score is 4.2 out of 10.