Consul-k8s vulnerable to a cross-namespace authorization bypass in component ACL binding rules

Summary Consul-k8s versions 0.42.0 and later are vulnerable to a cross-namespace authorization bypass in component ACL binding rules that may allow an attacker to obtain elevated Consul privileges. This vulnerability CVE-2026-110720 is fixed in consul-k8s 2.1.0 and 1.8.18. Background When system...

Consul vulnerable to an authorization bypass in health check registration

Summary HashiCorp Consul and Consul Enterprise are vulnerable to an authorization bypass in health check registration that may allow an authenticated user to modify health checks belonging to another service on the same node. This vulnerability CVE-2026-115804 is fixed in Consul Community Edition...

Consul vulnerable to a denial of service in HTTP APIs

Summary HashiCorp Consul and Consul Enterprise are vulnerable to a denial of service in the HTTP API that may allow an unauthenticated attacker to exhaust memory on a Consul agent. This vulnerability CVE-2026-105626 is fixed in Consul Community Edition 2.1.0 and Consul Enterprise 2.1.0 and 1.21.1...

Consul vulnerable to an authorization bypass in service mesh registration

Summary HashiCorp Consul and Consul Enterprise are vulnerable to an authorization bypass in service mesh proxy registration. This may allow a user with service write permission to apply Envoy escape-hatch configuration without the required mesh write permission. This vulnerability CVE-2026-105608...

Consul vulnerable to an authorization bypass in the agent's service mesh leaf certificate API

Summary HashiCorp Consul and Consul Enterprise 1.17.0 up to 2.0.4 are vulnerable to an authorization bypass in the agent’s service mesh leaf certificate API that may allow an attacker without a valid ACL token to retrieve a cached service leaf certificate and its private key. This vulnerability...

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...

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 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 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...

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...

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...

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 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...

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...

Consul vulnerable to a denial of service in the native RPC listener

Summary Consul and Consul Enterprise are vulnerable to a denial of service in the native RPC listener that may allow an authenticated client to exhaust server memory before ACL authorization is evaluated. A client that can complete the internal RPC mTLS handshake may exploit this issue without...

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...

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...

Go-slug vulnerable to exclusion bypass in .terraformignore handling

Summary The github.com/hashicorp/go-slug library before v0.18.3 is vulnerable to an exclusion bypass in .terraformignore handling that may allow files intended to be excluded from Terraform Cloud or Terraform Enterprise working directory uploads to be included instead on affected macOS filesystem...

Packer vulnerable to arbitrary file write via crafted plugin archive during installation

Summary Packer up to 1.15.4 is vulnerable to an issue in the third-party plugin installer that may allow unintended file system modification and could lead to code execution. A user who installs a plugin from a malicious or compromised source may be affected. This vulnerability CVE-2026-19589 is...

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 Enterprise vulnerable to cross-namespace entity deletion

Summary Vault Enterprise’s identity entity batch-delete endpoint is vulnerable to a cross-namespace authorization bypass that may allow an authenticated caller in one namespace to permanently delete the storage backing of entities belonging to another namespace. This vulnerability CVE-2026-14886 ...

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...

Multiple vulnerabilities impacting HashiCorp Consul

Summary Consul Community Edition and Consul Enterprise are affected by eight vulnerabilities. CVE-2026-19012 is an authenticated denial of service in the Enterprise-to-Community Edition downgrade path. CVE-2026-19014 is an uncontrolled resource consumption issue in the Connect authorization...

Multiple vulnerabilities impacting HashiCorp Consul MCP Server

Summary consul-mcp-server versions 0.1.0 up to 0.1.3 are affected by two vulnerabilities. First, the server did not restrict client-supplied overrides of the Consul backend address, which may allow a connected client to redirect Consul API traffic to an attacker-controlled endpoint and potentiall...

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...

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...

Nomad vulnerable to sandbox escape in Docker task driver

Summary HashiCorp Nomad and Nomad Enterprise are vulnerable to a sandbox escape in the Docker task driver that may allow a job submitter to bind-mount a host path into a container even when volume bind mounts are disabled, potentially leading to reading and writing files on the host. This...

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...

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...

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 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...

Nomad vulnerable to path traversal in dynamic host volume which may lead to code execution

Summary HashiCorp Nomad and Nomad Enterprise prior to 2.0.1 are vulnerable to code execution on the client host through a path traversal attack. This vulnerability CVE-2026-7474 is fixed in Nomad 2.0.1, 1.11.5 and 1.10.11. Background Nomad’s Dynamic Host Volumes feature allows the cluster admin t...

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...

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-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...

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 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...

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 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...

Go-getter may allow to arbitrary filesystem reads through git operations

Summary HashiCorp’s go-getter library up to v1.8.5 may allow arbitrary file reads on the file system during certain git operations through a maliciously crafted URL. This vulnerability, CVE-2026-4660, is fixed in go-getter v1.8.6. This vulnerability does not affect the go-getter/v2 branch and...

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...

Arbitrary code execution in React server-side rendering of untrusted MDX content

Summary The serialize function used to compile MDX in next-mdx-remote is vulnerable to arbitrary code execution due to insufficient sanitization of MDX content. This vulnerability, CVE-2026-0969, is fixed in next-mdx-remote 6.0.0. Background next-mdx-remote is an open-source TypeScript library th...

Vault Terraform Provider Applied Incorrect Defaults for LDAP Auth Method

Summary Vault’s Terraform Provider incorrectly set the default denynullbind parameter for the LDAP auth method to false by default, potentially resulting in an insecure configuration. If the underlying LDAP server allowed anonymous or unauthenticated binds, this could result in authentication...

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...

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...

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...

Incomplete Fix For Previous Vault DoS Issue

Summary A fix for a previous security issue impacting HashiCorp Vault HCSEC-2025-24 / CVE-2025-6203 was incomplete, and did not fully address the vulnerability. The fix was corrected in Vault versions 1.21.0, 1.20.5, 1.19.11, and 1.16.27. The CVE advisory and security bulletin have been updated t...

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,...