CVE-2026-16326

consul-mcp-server vulnerable to cross-tenant credential reuse in streamable-HTTP stateless mode

State
Published
Severity
10.0 Critical
Published
Jul 29, 2026
Updated
Jul 29, 2026
Reserved
Jul 20, 2026

Read the record on cve.org

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.

Scores

CVSSScoreVectorSource
3.110.0 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:LHashiCorp

Weaknesses

  • CWE-488 Exposure of Data Element to Wrong Session

Affected Products

ProductVersions
ToolingHashiCorp
  • 0.1.0 to before 0.1.4Affected

References

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.