Vulnerability in Hashicorp Consul

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. This vulnerability, CVE-2026-2808, is fixed in Consul 1.18.21, 1.21.11 and 1.22.5.

EPSS: 0.000 (10.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-2808?
CVE-2026-2808 is a medium-severity vulnerability in Hashicorp Consul, classified under Improper Link Resolution Before File Access. CVSS score: 6.8/10. Published 2026-03-11.
How severe is CVE-2026-2808?
Medium severity. CVSS v3 base score is 6.8 out of 10.