What is CVE-2026-16326?

CVE-2026-16326 is a critical-severity vulnerability in Hashicorp Tooling, classified under CWE-488. CVSS score: 10.0/10. Published 2026-07-29.

How severe is CVE-2026-16326?

Critical severity. CVSS v3 base score is 10.0 out of 10.

Vulnerability in Hashicorp Tooling

CVE-2026-16326

In consul-mcp-server, versions 0.1.0 up to 0.1.3 did not properly isolate session state in stateless mode, which may allow one client's Consul authentication token to be used for subsequent requests from other clients. This vulnerability (…

CVSS v3 metric

CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:L.

Affected products

Hashicorp Tooling — versions 0.1.0

Weakness classification (CWE)

CWE-488

References

security@hashicorp.com

Frequently asked questions

What is CVE-2026-16326?: CVE-2026-16326 is a critical-severity vulnerability in Hashicorp Tooling, classified under CWE-488. CVSS score: 10.0/10. Published 2026-07-29.
How severe is CVE-2026-16326?: Critical severity. CVSS v3 base score is 10.0 out of 10.