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CVE-2026-12624— Vault vulnerable to LIST authorization bypass via trailing-slash strip

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 2.0.3之前版本和HashiCorp Vault Enterprise 2.0.3之前版本存在授权问题漏洞，该漏洞源于ACL策略引擎未能一致地针对带有尾斜杠的LIST请求执行通配符拒绝规则，可能导致持有更广泛允许规则和更狭窄通配符拒绝规则的令牌枚举其本应被拒绝访问的路径下的条目名称。

CVSS 4.3 · Medium EPSS 0.27% · P17

Possible ATT&CK Techniques 1 AI

T1083 · File and Directory Discovery

Affected Version Matrix 2

VendorProduct Version RangeStatus
HashiCorp Vault < 2.0.3 affected
HashiCorp Vault Enterprise < 2.0.3 affected
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I. Basic Information for CVE-2026-12624

Vulnerability Information
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Vulnerability Title
Vault vulnerable to LIST authorization bypass via trailing-slash strip
Source: CVE Program / CVE List V5
Vulnerability Description
Vault’s ACL policy engine did not consistently enforce a wildcard (glob) deny rule against LIST requests made with a trailing slash on the denied path. This may allow a token holding a broader allow rule alongside a narrower wildcard deny rule to enumerate the names of entries beneath a path it was intended to be denied access to. This vulnerability (CVE-2026-12624) is fixed in Vault Community Edition 2.0.3 and Vault Enterprise 2.0.3, 1.21.8, 1.20.13, and 1.19.19.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
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 2.0.3之前版本和HashiCorp Vault Enterprise 2.0.3之前版本存在授权问题漏洞，该漏洞源于ACL策略引擎未能一致地针对带有尾斜杠的LIST请求执行通配符拒绝规则，可能导致持有更广泛允许规则和更狭窄通配符拒绝规则的令牌枚举其本应被拒绝访问的路径下的条目名称。
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 ~ 2.0.3 -
HashiCorp Vault Enterprise 0 ~ 2.0.3 -

II. Public POCs for CVE-2026-12624

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III. Intelligence Information for CVE-2026-12624

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Vendor Advisories for CVE-2026-12624 (1)

Other References for CVE-2026-12624 (1)

IV. Related Vulnerabilities

Same product: Vault
Same vendor: HashiCorp
Same weakness: CWE-863

V. Comments for CVE-2026-12624

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