CVE-2026-2808 — MEDIUM (6.8)

Vulnerability 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 Score

6.8

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Related Weaknesses (CWE)

CWE-59

References

https://discuss.hashicorp.com/t/hcsec-2026-02-consul-vulnerable-to-arbitrary-fil

FAQ

What is CVE-2026-2808?

CVE-2026-2808 is a vulnerability with a CVSS score of 6.8 (MEDIUM). 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 fixe...

How severe is CVE-2026-2808?

CVE-2026-2808 has been rated MEDIUM with a CVSS base score of 6.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-2808?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.