VulnerabilityAwaiting Analysis

CVE-2026-2808

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.

MEDIUM 6.8EPSS 0.47%

Does this matter?

Lower severity and a low EPSS score (0.47%). Track it; it rarely justifies an emergency change on its own.

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.

CVSS 3.1: 6.8 MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N
EPSS: 0.47% probability · 40th percentile
CISA KEV: Not listed
Weakness: CWE-59
Source: security@hashicorp.com

References

https://discuss.hashicorp.com/t/hcsec-2026-02-consul-vulnerable-to-arbitrary-file-reads-through-the-vault-kubernetes-authentication-provider/77232

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.