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CVE-2026-2808

MEDIUM CVSS 3.1: 6.8 EPSS 0.06%
Updated Mar 12, 2026
Kubernetes
Parameter Value
CVSS 6.8 (MEDIUM)
Type CWE-59 (Improper Link Resolution)
Vendor Kubernetes
Public PoC No

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.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
High
Admin privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
None
No data modification
Availability
None
No disruption

CVSS Vector v3.1

Weakness Type (CWE)

CWE-59 Improper Link Resolution

References 1

https://discuss.hashicorp.com/t/hcsec-2026-02-consul-vulnerable-to-arbitrary-fi…
security@hashicorp.com
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