Arbitrary File Read Vulnerability in HashiCorp Consul on Kubernetes
CVE-2026-2808

6.8MEDIUM

Key Information:

Vendor

Hashicorp
Status
Consul
Consul Enterprise
Vendor
CVE Published:
11 March 2026

What is CVE-2026-2808?

HashiCorp Consul and Consul Enterprise versions 1.18.20 through 1.21.10 and 1.22.4 are susceptible to an arbitrary file read vulnerability when configured with Kubernetes authentication. This issue allows unauthorized access to sensitive files, posing a security risk for users who deploy Consul in Kubernetes environments. Mitigations are available in updated versions—1.18.21, 1.21.11, and 1.22.5—ensuring users can secure their systems.

Affected Version(s)

Consul 64 bit 0 < 1.22.5

Consul Enterprise 64 bit 0 < 1.22.5

References

https://discuss.hashicorp.com/t/hcsec-2026-02-consul-vuln...

CVSS V3.1

Score:
6.8
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.