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CVE-2026-5006— Vault Vulnerable to Privilege Escalation via Slash Injection in Templated Policy Paths

Quick assessment

Affected
HashiCorp Vault
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

HashiCorp Vault是美国HashiCorp公司开源的一个密码与密钥管理工具。 HashiCorp Vault 0.11.0至2.0.4之前版本和HashiCorp Vault Enterprise 0.11.0至1.19.20之前版本、1.20.0至1.20.14之前版本、1.21.0至1.21.9之前版本、2.0.0至2.0.4之前版本存在授权问题漏洞，该漏洞源于模板策略路径引用的身份值可被操纵，攻击者可在身份值中注入斜杠（{{/}}）字符，Vault将其解释为额外路径段，导致攻击者获得对V

CVSS 6.8 · Medium EPSS 0.28% · P19

Possible ATT&CK Techniques 1 AI

T1528 · Steal Application Access Token

Affected Version Matrix 2

VendorProduct Version RangeStatus
HashiCorp Vault 0.11.0< 2.0.4 affected
HashiCorp Vault Enterprise 0.11.0< 2.0.4 affected
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I. Basic Information for CVE-2026-5006

Vulnerability Information
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Vulnerability Title
Vault Vulnerable to Privilege Escalation via Slash Injection in Templated Policy Paths
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was identified in HashiCorp Vault and Vault Enterprise (“Vault”) such that an authenticated attacker may manipulate an identity value referenced by a templated policy path to gain unintended access to Vault paths. An attacker who can control the referenced identity value may include slash ({{/}}) characters that Vault interprets as additional path segments when rendering the policy. This vulnerability, CVE-2026-5006, was fixed in Vault Community Edition 2.0.4 and Vault Enterprise 2.0.4, 1.21.9, 1.20.14, and 1.19.20.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5
Vulnerability Title
HashiCorp Vault 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
HashiCorp Vault是美国HashiCorp公司开源的一个密码与密钥管理工具。 HashiCorp Vault 0.11.0至2.0.4之前版本和HashiCorp Vault Enterprise 0.11.0至1.19.20之前版本、1.20.0至1.20.14之前版本、1.21.0至1.21.9之前版本、2.0.0至2.0.4之前版本存在授权问题漏洞，该漏洞源于模板策略路径引用的身份值可被操纵，攻击者可在身份值中注入斜杠（{{/}}）字符，Vault将其解释为额外路径段，导致攻击者获得对V
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 Vault 0.11.0 ~ 2.0.4 -
HashiCorp Vault Enterprise 0.11.0 ~ 2.0.4 -

II. Public POCs for CVE-2026-5006

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III. Intelligence Information for CVE-2026-5006

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Vendor Advisories for CVE-2026-5006 (1)

IV. Related Vulnerabilities

Same product: Vault
Same vendor: HashiCorp
Same weakness: CWE-639

V. Comments for CVE-2026-5006

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