CVE-2026-2808— Consul vulnerable to arbitrary file reads through the vault kubernetes authentication provider
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I. Basic Information for CVE-2026-2808
Vulnerability Information
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Vulnerability Title
Consul vulnerable to arbitrary file reads through the vault kubernetes authentication provider
Source: NVD (National Vulnerability Database)
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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
在文件访问前对链接解析不恰当(链接跟随)
Source: NVD (National Vulnerability Database)
Vulnerability Title
HashiCorp Consul和HashiCorp Consul Enterprise 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
HashiCorp Consul和HashiCorp Consul Enterprise都是美国HashiCorp公司的产品。HashiCorp Consul是一套分布式、高可用数据中心感知解决方案。该产品用于跨动态分布式基础架构连接和配置应用程序。HashiCorp Consul Enterprise是一个系统服务发现和配置管理工具。 HashiCorp Consul和HashiCorp Consul Enterprise 1.18.20至1.21.10版本和1.22.4版本存在安全漏洞，该漏洞源于配置
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| HashiCorp | Consul | 0 ~ 1.22.5 | - | |
| HashiCorp | Consul Enterprise | 0 ~ 1.22.5 | - |
II. Public POCs for CVE-2026-2808
| # | POC Description | Source Link | Shenlong Link |
|---|
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IV. Related Vulnerabilities
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Same vendor: HashiCorp
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Vault Vulnerable to Server-Side Request Forgery in ACME Chal - CVE-2026-3605
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Same weakness: CWE-59
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V. Comments for CVE-2026-2808
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