CVE-2026-2808
MEDIUM6.8EPSS 0.03%Consul is vulnerable to arbitrary file read when configured with Kubernetes authentication
Published: 3/12/2026Modified: 4/28/2026
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