CVE-2026-2808

MEDIUM6.8EPSS 0.03%

Consul vulnerable to arbitrary file reads through the vault kubernetes authentication provider

Published: 3/12/2026Modified: 3/16/2026

Also known as:GHSA-cpfq-66p2-336jBIT-consul-2026-2808GO-2026-4690

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.

Affected packages (4)

Bitnami/consulfrom 0, < 1.22.5
Debian/consulfrom 0
Go/github.com/hashicorp/consulfrom 0, < 1.18.21
Go/github.com/hashicorp/consulfrom 0, < 1.22.5

CVSS scores

Source	Version	Severity	Vector
osv	CVSS 3.1	MEDIUM6.8	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N

References (6)

ADVISORYhttps://github.com/advisories/GHSA-cpfq-66p2-336j
ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2026-2808
ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2026-2808
PATCHhttps://github.com/hashicorp/consul
WEBhttps://discuss.hashicorp.com/t/hcsec-2026-02-consul-vulnerable-to-arbitrary-file-reads-through-the-vault-kubernetes-authentication-provider/77232
WEBhttps://pkg.go.dev/vuln/GO-2026-4690