Vulnerability DatabaseCVE-2026-2808
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CVE-2026-2808
March 11, 2026
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
https://github.com/hashicorp/consul.git (GITHUB):
Affected version(s) >=v0.1.0 <v1.22.5
Fix Suggestion:
Update to version v1.22.5
github.com/hashicorp/consul (GO):
Affected version(s) >=v1.20.0 <v1.22.5
Fix Suggestion:
Update to version v1.22.5
Related Resources (5)
https://github.com/advisories/GHSA-cpfq-66p2-336j
https://pkg.go.dev/vuln/GO-2026-4690
https://discuss.hashicorp.com/t/hcsec-2026-02-consul-vulnerable-to-arbitrary-file-reads-through-the-vault-kubernetes-authentication-provider/77232
https://github.com/hashicorp/consul
https://nvd.nist.gov/vuln/detail/CVE-2026-2808
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CVSS v4
Base Score:
8.2
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
HIGH
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
HIGH
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.8
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Weakness Type (CWE)
Improper Link Resolution Before File Access ('Link Following')
CWE-59
EPSS
Base Score:
0.02