Vault PKI ACME Default Directory Policy May Issue Certificates With Unverified Identities

Summary Vault’s PKI secrets engine ACME server did not restrict certificate identities that ACME challenges do not validate when issuing certificates under the default directory policy. This may allow an ACME client to obtain a certificate containing unverified identity claims, potentially enabli...

Vault Vulnerable to Privilege Escalation via Slash Injection in Templated Policy Paths

Summary 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...

Vault Enterprise ACL Policy Cache Vulnerable to Cross-Namespace Policy Resolution

Summary Vault’s ACL policy cache allowed namespace traversal when policy names contained path traversal constructs. This may allow a token assigned specially crafted policy names to use the capabilities of policies defined in other namespaces, including the root namespace. This vulnerability...

Vault Audit Device Plugin Directory Guard Bypass via Legacy Path Option

Summary HashiCorp Vault and Vault Enterprise prior to 2.0.1 audit device validation logic did not consistently apply plugin directory protections when the legacy file audit path option was used. This vulnerability CVE-2026-5051 is fixed in 2.0.1, 1.21.6, 1.20.11, and 1.19.17. Background Vault...

Go-getter vulnerable to a path traversal in S3/GCS directory download handling

Summary HashiCorp go-getter versions before 1.8.10 and go-getter/v2 versions before 2.2.5 are vulnerable to path traversal during S3 and GCS directory downloads, which may allow files to be written outside the requested destination. This vulnerability CVE-2026-19585 is fixed in go-getter 1.8.10 a...

Go-getter vulnerable to a privilege escalation issue in its archive decompression handling

Summary The go-getter library up to versions 1.8.8 and 2.2.3 is vulnerable to a privilege escalation issue in its archive decompression handling that may allow a crafted archive to cause extracted files to be created with elevated permission bits. Where extraction is performed by a privileged use...

Vault Root Namespace Operator May Elevate Token Privileges

Summary 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. This vulnerability, identified as CVE-2025-5999, is fixed in Vault Community Edition 1.20.0 and Vault Enterprise...

Vault Vulnerable to Arbitrary Code Execution via Plugin Catalog Entries Restored From Raft Snapshots

Summary Vault and Vault Enterprise did not consistently verify that stored plugin catalog entries reference binaries within the configured plugin directory. When Vault uses Shamir seals and has an external plugin directory configured, a privileged operator able to restore an Integrated Storage Ra...

Multiple vulnerabilities impacting HashiCorp Terraform MCP Server

Summary The terraform-mcp-server before version 1.1.0 is vulnerable to three related issues in its streamable-HTTP transport: a server-side request forgery issue that may allow an unauthenticated client to redirect the server’s bearer token to an attacker-controlled endpoint CVE-2026-14869, an...

Vault Inconsistent ACL Policy Evaluation May Allow Bypass of Deny Restrictions

Summary Vault and Vault Enterprise did not consistently evaluate ACL policies against the canonical form of resource and policy names. This may allow an authenticated user with delegated permissions to bypass an explicit deny restriction and access a protected resource or assign a denied policy,...

Vault Vulnerable to Server-Side Request Forgery in ACME Challenge Validation via Attacker-Controlled DNS

Summary 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. This vulnerability, CVE-2026-5052, is fixed in Vault...

Vault Incorrectly Validated JSON Web Tokens (JWT) Audience Claims

Summary Vault and Vault Enterprise did not properly validate the JSON Web Token JWT role-bound audience claim when using the Vault JWT auth method. This may have resulted in Vault validating a JWT with audience and role-bound claims that do not match, allowing an invalid login to succeed when it...

Terraform Enterprise vulnerable to arbitrary file read

Summary HashiCorp Terraform Enterprise contained an issue in its version control system VCS ingestion of registry modules that did not correctly enforce the intended boundary on packaged module content. This may allow an authenticated user to include files from outside the intended repository...

Vault Certificate Auth Method Did Not Validate Common Name For Non-CA Certificates

Summary 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 . In this configuration, an attacker may be able to craft a malicious certificate that could be used to impersonat...

Vault Vulnerable to Denial-of-Service via Unauthenticated Root Token Generation/Rekey Operations

Summary 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...

Vault Operators in Root Namespace May Elevate Their Privileges

Summary 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. This vulnerability, identified as CVE-2024-9180, is fixed in Vault Community Edition 1.18.0 and Vault Enterprise 1.18....

Vault Vulnerable to Cache-Timing Attacks During Seal and Unseal Operations

Summary HashiCorp Vault’s implementation of Shamir’s secret sharing used precomputed table lookups, and was vulnerable to cache-timing attacks. An attacker with access to, and the ability to observe a large number of unseal operations on the host through a side channel may reduce the search space...

Vault Secrets Operator vulnerable to arbitrary file read via AppRole secretIDPath

Summary Vault Secrets Operator 1.3.0 up to 1.4.1 is vulnerable to an arbitrary file read and credential exfiltration issue in the AppRole authentication configuration that may allow a tenant with limited Kubernetes RBAC permissions to read files from the operator pod’s filesystem and transmit the...

Vault vulnerable to LIST authorization bypass via trailing-slash strip

Summary 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 pat...

Consul-template vulnerable to an information disclosure issue in error handling

Summary The consul-template library is vulnerable to an information disclosure issue in its error handling path that may allow Vault secret values to appear in template error messages, log output, and downstream surfaces such as Nomad task events. This vulnerability CVE-2026-87993 is fixed in...

Consul L7 Intentions Vulnerable To Headers Bypass

Summary A vulnerability was identified in Consul and Consul Enterprise “Consul” such that using Headers in L7 traffic intentions could bypass HTTP header based access rules. This vulnerability, identified as CVE-2024-10006, is fixed in Consul Community Edition 1.20.1 and Consul Enterprise 1.20.1,...

Vault May Expose Tokens to Auth Plugins Due to Incorrect Header Sanitization

Summary 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. This issue, CVE-2026-4525, is fixed in Vault Community Edition 2.0.0 and Vault...

Consul vulnerable to an authorization bypass in the Connect service mesh

Summary Consul and Consul Enterprise are vulnerable to an authorization bypass in the Connect service mesh that may allow a service to reach a destination it is not authorized to access. When building Envoy RBAC rules to enforce Connect intentions, Consul did not correctly escape certain characte...

Nomad Exposes Sensitive Workload Identity and Client Secret Token in Audit Logs

Summary Nomad Community and Nomad Enterprise “Nomad” are vulnerable to unintentional exposure of the workload identity token and client secret token in audit logs. This vulnerability, identified as CVE-2025-1296, is fixed in Nomad Community Edition 1.9.7 and Nomad Enterprise 1.9.7, 1.8.11, and...

Vault User Enumeration in Userpass Auth Method

Summary Vault Community and Vault Enterprise’s “Vault” userpass method is affected by a user enumeration vulnerability. This may allow an attacker to enumerate valid usernames on this auth method through brute force or a list of known usernames. CVE-2025-6010 was reserved by HashiCorp to track th...

Consul vulnerable to an authorization bypass in the catalog node-write path

Summary Consul and Consul Enterprise are vulnerable to an authorization bypass in the catalog node-write path that may allow an authenticated attacker to delete another node’s catalog registration and take over its node identity. An attacker with a token granting node-write permission on any sing...

Consul-template vulnerable to sandbox path bypass in file helper through symlink attack

Summary The consul-template library before version 0.42.0 is vulnerable to a sandbox path bypass in the file template helper that may allow reading an out-of-sandbox file. This vulnerability CVE-2026-5061 is fixed in consul-template 0.42.0. Background The file template function reads a local file...

Boundary Workers Vulnerable to Denial of Service During TLS Handshake

Summary Boundary Community Edition and Boundary Enterprise “Boundary” workers are vulnerable to a denial-of-service condition during node enrollment TLS handshakes. An attacker with network access to the worker authentication listener may open a connection and delay or withhold the client...

Consul's event endpoint is vulnerable to denial of service

Summary Consul and Consul Enterprise’s “Consul” event endpoint is vulnerable to denial of service DoS due to lack of maximum value on the Content Length header. This vulnerability, CVE-2025-11375, is fixed in Consul Community Edition 1.22.0 and Consul Enterprise 1.22.0, 1.21.6, 1.20.8 and 1.18.12...

Vault AWS Auth Method Authentication Bypass Through Mishandling of Cache Entries

Summary Vault and Vault Enterprise’s “Vault” AWS Auth method may be susceptible to authentication bypass if the role of the configured boundprincipaliam 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...

Vault TOTP Secrets Engine Code Reuse

Summary Vault and Vault Enterprise’s “Vault” TOTP Secrets Engine code validation endpoint is susceptible to code reuse within its validity period. This vulnerability, identified as CVE-2025-6014, is fixed in Vault Community Edition 1.20.1 and Vault Enterprise 1.20.1, 1.19.7, 1.18.12, and 1.16.23...

Vagrant VMware Utility installation files vulnerable to modification by unprivileged user

Summary The Vagrant VMware Utility Windows installer targeted a custom location with a non-protected path that could be modified by an unprivileged user, introducing potential for unauthorized file system writes. This vulnerability, CVE-2024-10228, was fixed in Vagrant VMware Utility 1.0.23...

Nomad vulnerable to cross-namespace host volume claim deletion

Summary HashiCorp Nomad and Nomad Enterprise are vulnerable to a cross-namespace authorization bypass in the dynamic host volumes feature that may allow an operator holding the host volume delete permission in one namespace to delete a sticky volume claim belonging to a job in another namespace...

Consul-template vulnerable to path redirections in writeToFile

Summary The consul-template library before version 0.42.1 is vulnerable to a path redirection issue in the writeToFile template helper that may allow template output to be written outside the intended directory or to overwrite an existing file. This vulnerability CVE-2026-14361 is fixed in...

HCSEC-2025-11 Vault Vulnerable to Recovery Key Cancellation Denial of Service

Summary 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,...

Boundary Controller Incorrectly Handles HTTP Requests On Initialization Which May Lead to a Denial of Service

Summary Boundary Community Edition and Boundary Enterprise “Boundary” incorrectly handles HTTP requests during the initialization of the Boundary controller, potentially causing the Boundary server to terminate prematurely or allow an attacker to perform a denial of service attack. Boundary is on...

Nomad's exec2 task driver vulnerable to arbitrary file read/write on client host through symlink attack

Summary HashiCorp Nomad’s exec2 task driver prior to 0.1.2 is vulnerable to arbitrary file read and write on the client host as the Nomad process user through a symlink attack. This vulnerability CVE-2026-8052 is fixed in version 0.1.2 of the exec2 task driver. Background Nomad workloads are run ...

Consul UI Development Workflows Vulnerable to Dependency Confusion

Summary HashiCorp Consul and Consul Enterprise development workflows for releases from 1.12.0 up to 1.17.6, 1.18.2, and 1.19.0 were vulnerable to frontend dependency confusion which exclusively impacted development environments. This vulnerability was fixed in Consul development workflows for...

Consul's KV endpoint is vulnerable to denial of service

Summary Consul and Consul Enterprise’s “Consul” key/value endpoint is vulnerable to denial of service DoS due to incorrect Content Length header validation. This vulnerability, CVE-2025-11374, is fixed in Consul Community Edition 1.22.0 and Consul Enterprise 1.22.0, 1.21.6, 1.20.8 and 1.18.12...

Vault Enterprise’s Sentinel EGP Policies May Impact Parent or Sibling Namespaces

Summary Vault Enterprise Sentinel EGP policies should be constrained to the namespace in which they’re applied, or to children namespaces. Incorrect parsing of the supplied path, when configuring EGP policies, allowed them to process requests in parent and sibling namespaces. This vulnerability,...

Consul vulnerable to an authorization bypass in the catalog deregistration path

Summary Consul and Consul Enterprise are vulnerable to an authorization bypass in the catalog deregistration path that may allow a local ACL token to delete peer-imported catalog objects. A caller with service:write or node:write permission may exploit this issue to remove services, checks, or...

Nomad arbitrary file read/write on client host through symlink attack

Summary HashiCorp Nomad and Nomad Enterprise prior to 2.0.1 are vulnerable to arbitrary file read and write on the client host as the Nomad process user through a symlink attack. This vulnerability CVE-2026-6959 is fixed in Nomad 2.0.1, 1.11.5 and 1.10.11. Background Nomad workloads are run by ta...

Vault KVv2 Metadata and Secret Deletion Policy Bypass Denial-of-Service

Summary 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...

Terraform Enterprise state versions can be created by users without sufficient write access

Summary Terraform state versions can be created by a user with specific but insufficient permissions in a Terraform Enterprise workspace. This may allow for the alteration of infrastructure if a subsequent plan operation is approved by a user with approval permission or is auto-applied. This...

Privileged Vault Operator May Execute Code on the Underlying Host

Summary 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. This vulnerability, identified as CVE-2025-6000, is fixed in Vault Community Edition 1.20.1 and...

Nomad Docker driver vulnerable to host namespace bypass on Linux

Summary HashiCorp Nomad and Nomad Enterprise did not enforce the allowprivileged restriction for the Docker task driver’s host namespace mode options. This may allow an authenticated job submitter to run a container in a host namespace and access information belonging to the host or to other...

Memberlist vulnerable to denial of service via gossip message

Summary HashiCorp memberlist before version 0.6.0 is vulnerable to a denial-of-service issue in its push/pull state handling that may allow an attacker with network access to the gossip port to exhaust memory on a receiving node and cause the process to terminate. This vulnerability CVE-2026-1436...

Consul Vulnerable to Arbitrary File Reads Through the Vault Kubernetes Authentication Provider

Summary 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. Background The Consul kubernetes auth method typ...

Vault Vulnerable to Denial of Service Due to Rate Limit Regression

Summary 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 which allowed for processing JSON payloads before applying rate limits. This vulnerability,...

Vault Userpass and LDAP User Lockout Bypass

Summary Vault and Vault Enterprise’s “Vault” user lockout feature could be bypassed for Userpass and LDAP authentication methods. This vulnerability, identified as CVE-2025-6004, is fixed in Vault Community Edition 1.20.1 and Vault Enterprise 1.20.1, 1.19.7, 1.18.12, and 1.16.23. Background Vault...