What’s Vulnerable › Vulnerabilities
CVE-2026-16326: consul-mcp-server vulnerable to cross-tenant credential reuse in streamable-HTTP stateless mode
- Severity: critical (CVSS 10.0 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.5% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-07-29 · updated 2026-10-24
- Weakness: CWE-488
Description
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 (CVE-2026-16326) is fixed in consul-mcp-server 0.1.4.
Affected products
- HashiCorp Tooling: from 0.1.0 before 0.1.4 — fixed in 0.1.4
How to fix
Upgrade to a fixed version: HashiCorp Tooling 0.1.4. Check the vendor advisory for mitigations.
References
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