CVE-2026-2808 MEDIUM

CVE-2026-2808: Consul vulnerable to arbitrary file reads through the vault kubernetes authentication provider

Vendor Hashicorp
Product Consul
Weakness CWE-59
Published March 11, 2026
Last update April 17, 2026

CVSS base score

6.8/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality High
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

March 11, 2026 CVE published
April 17, 2026 Record updated