Hashicorp Vault vulnerabilities

CVE-2026-3605 [HIGH] CWE-288 CVE-2026-3605: An authenticated user with access to a kvv2 path through a policy containing a glob may be able to d 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 Enter

CVE-2026-5807 [HIGH] CWE-770 CVE-2026-5807: Vault is vulnerable to a denial-of-service condition where an unauthenticated attacker can repeatedl Vault is vulnerable to a denial-of-service condition where an unauthenticated attacker can repeatedly initiate or cancel root token generation or rekey operations, occupying the single in-progress operation slot. This prevents legitimate operators from completing these workflows. This vulnerability, CVE-2026-5807, is fixed in Vault Community Edition 2.0

CVE-2026-4525 [HIGH] CWE-201 CVE-2026-4525: If a Vault auth mount is configured to pass through the "Authorization" header, and the "Authorizati If a Vault auth mount is configured to pass through the "Authorization" header, and the "Authorization" header is used to authenticate to Vault, Vault forwarded the Vault token to the auth plugin backend. Fixed in 2.0.0, 1.21.5, 1.20.10, and 1.19.16.

CVE-2026-5052 [MEDIUM] CWE-918 CVE-2026-5052: Vault’s PKI engine’s ACME validation did not reject local targets when issuing http-01 and tls-alpn- Vault’s PKI engine’s ACME validation did not reject local targets when issuing http-01 and tls-alpn-01 challenges. This may lead to these requests being sent to local network targets, potentially leading to information disclosure. Fixed in Vault Community Edition 2.0.0 and Vault Enterprise 2.0.0, 1.21.5, 1.20.10, and 1.19.16.

CVE-2025-12044 [HIGH] CWE-770 CVE-2025-12044: Vault and Vault Enterprise (“Vault”) are vulnerable to an unauthenticated denial of service when pro Vault and Vault Enterprise (“Vault”) are vulnerable to an unauthenticated denial of service when processing JSON payloads. This occurs due to a regression from a previous fix for [+HCSEC-2025-24+|https://discuss.hashicorp.com/t/hcsec-2025-24-vault-denial-of-service-though-complex-json-payloads/76393] which allowed for processing JSON payloads before a

CVE-2025-11621 [HIGH] CWE-288 CVE-2025-11621: Vault and Vault Enterprise’s (“Vault”) AWS Auth method may be susceptible to authentication bypass i Vault and Vault Enterprise’s (“Vault”) AWS Auth method may be susceptible to authentication bypass if the role of the configured bound_principal_iam is the same across AWS accounts, or uses a wildcard. This vulnerability, CVE-2025-11621, is fixed in Vault Community Edition 1.21.0 and Vault Enterprise 1.21.0, 1.20.5, 1.19.11, and 1.16.27

CVE-2025-6203 [HIGH] CWE-770 CVE-2025-6203: A malicious user may submit a specially-crafted complex payload that otherwise meets the default req A malicious user may submit a specially-crafted complex payload that otherwise meets the default request size limit which results in excessive memory and CPU consumption of Vault. This may lead to a timeout in Vault’s auditing subroutine, potentially resulting in the Vault server to become unresponsive. This vulnerability, CVE-2025-6203, is fixed in Vau

CVE-2025-6013 [HIGH] CWE-156 CVE-2025-6013: Vault and Vault Enterprise’s (“Vault”) ldap auth method may not have correctly enforced MFA if usern Vault and Vault Enterprise’s (“Vault”) ldap auth method may not have correctly enforced MFA if username_as_alias was set to true and a user had multiple CNs that are equal but with leading or trailing spaces. Fixed in Vault Community Edition 1.20.2 and Vault Enterprise 1.20.2, 1.19.8, 1.18.13, and 1.16.24.

CVE-2025-6000 [CRITICAL] CWE-94 CVE-2025-6000: A privileged Vault operator within the root namespace with write permission to {{sys/audit}} may obt A privileged Vault operator within the root namespace with write permission to {{sys/audit}} may obtain code execution on the underlying host if a plugin directory is set in Vault’s configuration. Fixed in Vault Community Edition 1.20.1 and Vault Enterprise 1.20.1, 1.19.7, 1.18.12, and 1.16.23.

CVE-2025-5999 [HIGH] CWE-266 CVE-2025-5999: A privileged Vault operator with write permissions to the root namespace’s identity endpoint could e A privileged Vault operator with write permissions to the root namespace’s identity endpoint could escalate their own or another user’s token privileges to Vault’s root policy. Fixed in Vault Community Edition 1.20.0 and Vault Enterprise 1.20.0, 1.19.6, 1.18.11 and 1.16.22.

CVE-2025-6015 [MEDIUM] CWE-307 CVE-2025-6015: Vault and Vault Enterprise’s (“Vault”) login MFA rate limits could be bypassed and TOTP tokens could Vault and Vault Enterprise’s (“Vault”) login MFA rate limits could be bypassed and TOTP tokens could be reused. Fixed in Vault Community Edition 1.20.1 and Vault Enterprise 1.20.1, 1.19.7, 1.18.12, and 1.16.23.

CVE-2025-6037 [MEDIUM] CWE-295 CVE-2025-6037: Vault and Vault Enterprise (“Vault”) TLS certificate auth method did not correctly validate client c Vault and Vault Enterprise (“Vault”) TLS certificate auth method did not correctly validate client certificates when configured with a non-CA certificate as [+trusted certificate+|https://developer.hashicorp.com/vault/api-docs/auth/cert#certificate]. In this configuration, an attacker may be able to craft a malicious certificate that could be used to

CVE-2025-6014 [MEDIUM] CWE-156 CVE-2025-6014: Vault and Vault Enterprise’s (“Vault”) TOTP Secrets Engine code validation endpoint is susceptible t Vault and Vault Enterprise’s (“Vault”) TOTP Secrets Engine code validation endpoint is susceptible to code reuse within its validity period. Fixed in Vault Community Edition 1.20.1 and Vault Enterprise 1.20.1, 1.19.7, 1.18.12, and 1.16.23.

CVE-2025-6004 [MEDIUM] CWE-307 CVE-2025-6004: Vault and Vault Enterprise’s (“Vault”) user lockout feature could be bypassed for Userpass and LDAP Vault and Vault Enterprise’s (“Vault”) user lockout feature could be bypassed for Userpass and LDAP authentication methods. Fixed in Vault Community Edition 1.20.1 and Vault Enterprise 1.20.1, 1.19.7, 1.18.12, and 1.16.23.

CVE-2025-6011 [LOW] CWE-203 CVE-2025-6011: A timing side channel in Vault and Vault Enterprise’s (“Vault”) userpass auth method allowed an atta A timing side channel in Vault and Vault Enterprise’s (“Vault”) userpass auth method allowed an attacker to distinguish between existing and non-existing users, and potentially enumerate valid usernames for Vault’s Userpass auth method. Fixed in Vault Community Edition 1.20.1 and Vault Enterprise 1.20.1, 1.19.7, 1.18.12, and 1.16.23.

CVE-2025-4656 [LOW] CWE-1088 CVE-2025-4656: Vault Community and Vault Enterprise rekey and recovery key operations can lead to a denial of servi Vault Community and Vault Enterprise rekey and recovery key operations can lead to a denial of service due to uncontrolled cancellation by a Vault operator. This vulnerability (CVE-2025-4656) has been remediated in Vault Community Edition 1.20.0 and Vault Enterprise 1.20.0, 1.19.6, 1.18.11, 1.17.17, and 1.16.22.

CVE-2025-3879 [HIGH] CWE-863 CVE-2025-3879: Vault Community, Vault Enterprise (“Vault”) Azure Auth method did not correctly validate the claims Vault Community, Vault Enterprise (“Vault”) Azure Auth method did not correctly validate the claims in the Azure-issued token, resulting in the potential bypass of the bound_locations parameter on login. Fixed in Vault Community Edition 1.19.1 and Vault Enterprise 1.19.1, 1.18.7, 1.17.14, 1.16.18.

CVE-2025-4166 [MEDIUM] CWE-209 CVE-2025-4166: Vault Community and Vault Enterprise Key/Value (kv) Version 2 plugin may unintentionally expose sens Vault Community and Vault Enterprise Key/Value (kv) Version 2 plugin may unintentionally expose sensitive information in server and audit logs when users submit malformed payloads during secret creation or update operations via the Vault REST API. This vulnerability, identified as CVE-2025-4166, is fixed in Vault Community 1.19.3 and Vault Enterprise

CVE-2024-8185 [HIGH] CWE-636 CVE-2024-8185: Vault Community and Vault Enterprise (“Vault”) clusters using Vault’s Integrated Storage backend are Vault Community and Vault Enterprise (“Vault”) clusters using Vault’s Integrated Storage backend are vulnerable to a denial-of-service (DoS) attack through memory exhaustion through a Raft cluster join API endpoint . An attacker may send a large volume of requests to the endpoint which may cause Vault to consume excessive system memory resources, potent

CVE-2024-9180 [HIGH] CWE-266 CVE-2024-9180: A privileged Vault operator with write permissions to the root namespace’s identity endpoint could e A privileged Vault operator with write permissions to the root namespace’s identity endpoint could escalate their own or another user’s privileges to Vault’s root policy. Fixed in Vault Community Edition 1.18.0 and Vault Enterprise 1.18.0, 1.17.7, 1.16.11, and 1.15.16.