HashiCorp Consul and Consul Enterprise 1.18.20 up to 1.21.10 and 1.22.4 are vulnerable to arbitrary file read when configured with Kubernetes authentication. This vulnerability, CVE-2026-2808, is fixed in Consul 1.18.21, 1.21.11 and 1.22.5.
Advisories
Source ID Title
Github GHSA Github GHSA GHSA-cpfq-66p2-336j Consul is vulnerable to arbitrary file read when configured with Kubernetes authentication
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Fri, 13 Mar 2026 00:15:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

threat_severity

Moderate


Thu, 12 Mar 2026 14:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 12 Mar 2026 10:15:00 +0000

Type Values Removed Values Added
First Time appeared Hashicorp
Hashicorp consul
Hashicorp consul Enterprise
Vendors & Products Hashicorp
Hashicorp consul
Hashicorp consul Enterprise

Wed, 11 Mar 2026 23:30:00 +0000

Type Values Removed Values Added
Description HashiCorp Consul and Consul Enterprise 1.18.20 up to 1.21.10 and 1.22.4 are vulnerable to arbitrary file read when configured with Kubernetes authentication. This vulnerability, CVE-2026-2808, is fixed in Consul 1.18.21, 1.21.11 and 1.22.5.
Title Consul vulnerable to arbitrary file reads through the vault kubernetes authentication provider
Weaknesses CWE-59
References
Metrics cvssV3_1

{'score': 6.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: HashiCorp

Published:

Updated: 2026-03-12T13:28:26.972Z

Reserved: 2026-02-19T15:17:24.550Z

Link: CVE-2026-2808

cve-icon Vulnrichment

Updated: 2026-03-12T13:28:22.607Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-03-12T00:16:11.770

Modified: 2026-03-12T21:07:53.427

Link: CVE-2026-2808

cve-icon Redhat

Severity : Moderate

Publid Date: 2026-03-11T23:08:32Z

Links: CVE-2026-2808 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-03-12T09:55:04Z

Weaknesses