CVE-2026-3605— Vault KVv2 Metadata and Secret Deletion Policy Bypass Denial-of-Service
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I. Basic Information for CVE-2026-3605
Vulnerability Information
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Vulnerability Title
Vault KVv2 Metadata and Secret Deletion Policy Bypass Denial-of-Service
Source: NVD (National Vulnerability Database)
Vulnerability Description
An authenticated user with access to a kvv2 path through a policy containing a glob may be able to delete secrets they were not authorized to read or write, resulting in denial-of-service. This vulnerability did not allow a malicious user to delete secrets across namespaces, nor read any secret data. Fxed in Vault Community Edition 2.0.0 and Vault Enterprise 2.0.0, 1.21.5, 1.20.10, and 1.19.16.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
使用候选路径或通道进行的认证绕过
Source: NVD (National Vulnerability Database)
Vulnerability Title
HashiCorp Vault和HashiCorp Vault Enterprise 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
HashiCorp Vault和HashiCorp Vault Enterprise都是美国HashiCorp公司的产品。HashiCorp Vault是一款私钥访问管理工具。HashiCorp Vault Enterprise是一个企业信息归档平台。 HashiCorp Vault 2.0.0之前版本、Vault Enterprise 2.0.0之前版本、1.21.5之前版本、1.20.10之前版本和1.19.16之前版本存在安全漏洞，该漏洞源于具有访问权限的认证用户可能删除未授权的密钥，可能导致拒绝服
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 | 0.10.0 ~ 2.0.0 | - | |
| HashiCorp | Vault Enterprise | 0.10.0 ~ 2.0.0 | - |
II. Public POCs for CVE-2026-3605
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · HashiCorp · 2026-04-17 · 4 CVEs total
| CVE-2026-4525 | 7.5 HIGH | Vault Token Leaked to Backends via Authorization: Bearer Passthrough Header |
| CVE-2026-5807 | 7.5 HIGH | Vault Vulnerable to Denial-of-Service via Unauthenticated Root Token Generation/Rekey Oper |
| CVE-2026-5052 | 5.3 MEDIUM | Vault Vulnerable to Server-Side Request Forgery in ACME Challenge Validation via Attacker- |
IV. Related Vulnerabilities
Same product: Vault
- CVE-2026-5807
Vault Vulnerable to Denial-of-Service via Unauthenticated Ro - CVE-2026-4525
Vault Token Leaked to Backends via Authorization: Bearer Pas - CVE-2026-5052
Vault Vulnerable to Server-Side Request Forgery in ACME Chal - CVE-2025-12044
Vault Vulnerable to Denial of Service Due to Rate Limit Regr - CVE-2025-11621
Vault AWS auth method bypass due to AWS client cache
Same vendor: HashiCorp
- CVE-2026-7776
Boundary Workers Vulnerable to Denial of Service During TLS - CVE-2026-5807
Vault Vulnerable to Denial-of-Service via Unauthenticated Ro - CVE-2026-4525
Vault Token Leaked to Backends via Authorization: Bearer Pas - CVE-2026-5052
Vault Vulnerable to Server-Side Request Forgery in ACME Chal - CVE-2026-4660
Go-getter may allow to arbitrary filesystem reads through gi
Same weakness: CWE-288
- CVE-2026-41308
Password Pusher: JSON API `/p.json` file upload alias bypass - CVE-2026-7458
User Verification by PickPlugins <= 2.0.46 - Unauthenticated - CVE-2026-7567
Temporary Login <= 1.0.0 - Authentication Bypass to Account - CVE-2026-40022
Apache Camel Platform HTTP Main: Authentication Bypass on No - CVE-2026-40630
SenseLive X3050 Authentication bypass using an alternate pat
V. Comments for CVE-2026-3605
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