AWS, Google, and Vercel Agent Flaws Let Attackers Trigger Tools Without Running the Model

Security flaws in agent infrastructure from Amazon Web Services AWS, Google, and Vercel let untrusted or forged instructions reach an agent's tools with no check that a model turn had authorized them. In several of the attack paths, the model never ran at all, so system prompts, content filters,...

CVE-2026-18830 Insufficient input validation in Amazon Bedrock AgentCore harness InvokeHarness API

Insufficient input validation in Amazon Bedrock AgentCore harness might allow an authenticated remote user to execute configured tools bypassing model invocation and security controls via crafted content blocks in conversation messages. AWS has addressed this issue. No customer action is required...

CVE-2026-18830

The CVE-2026-18830 issue affects the Amazon Bedrock AgentCore harness, specifically the InvokeHarness API. It arises from insufficient input validation in, or surrounding, the harness, which could allow an authenticated remote user to execute configured tools by sending crafted content blocks in ...

Agent Harness Distillation: Inference-Time Harness Extraction and Exploitation in Autonomous Multi-Agent Systems

Autonomous multi-agent systems AMAS built on large language models LLMs, such as Hermes, increasingly rely on inference-time harnesses to coordinate reasoning and action. Constructing these harnesses requires substantial engineering effort and computational resources, as they are iteratively...

Microsoft Says New Cybersecurity AI Model Helps MDASH Score 95.95% at Half the Cost

Microsoft has launched its first cybersecurity-specific model inside MDASH , its multi-model vulnerability identification and remediation harness. The company says MDASH, using MAI-Cyber-1-Flash and GPT-5.4, scored 95.95% on CyberGym. It also claims the configuration costs 50% less than its curre...

CVE-2026-64650

The @ai-sdk/harness-opencode tool is an HarnessV1 adapter backed by @openai/codex-sdk, which drives the codex command line interface. Prior to version 1.0.29, the tool relay authorizes requests from any process whose command line contains an allowed helper script path the Codex CLI shim. This...

CVE-2026-64651

The @ai-sdk/harness-opencode tool connects HarnessAgent to OpenCode through a sandboxed bridge. Prior to version 1.0.28, the tool relay authorizes requests from any process whose command line contains an allowed helper script path host-tool-mcp.mjs. This allows untrusted code executing in the...

CVE-2026-64650

The CVE concerns the @ai-sdk/harness-opencode tool (HarnessV1 adapter backed by @openai/codex-sdk) that drives the codex CLI. Prior to version 1.0.29, it relayed requests from any process whose command line contained an allowed helper script path (Codex CLI shim), allowing untrusted sandbox code ...

CVE-2026-64650 AI SDK Codex Harness Tool Relay Authorization Bypass

The @ai-sdk/harness-opencode tool is an HarnessV1 adapter backed by @openai/codex-sdk, which drives the codex command line interface. Prior to version 1.0.29, the tool relay authorizes requests from any process whose command line contains an allowed helper script path the Codex CLI shim. This...

CVE-2026-64651 AI SDK OpenCode Harness Tool Relay Authorization Bypass

The @ai-sdk/harness-opencode tool connects HarnessAgent to OpenCode through a sandboxed bridge. Prior to version 1.0.28, the tool relay authorizes requests from any process whose command line contains an allowed helper script path host-tool-mcp.mjs. This allows untrusted code executing in the...

CVE-2026-64651

The CVE-2026-64651 entry concerns the @ai-sdk/harness-opencode tool that connects HarnessAgent to OpenCode via a sandboxed bridge. Before version 1.0.28, the tool would relay requests from any process whose command line included an allowed helper script path (host-tool-mcp.mjs), enabling untruste...

PT-2026-61723

Name of the Vulnerable Software and Affected Versions @ai-sdk/harness-opencode versions prior to 1.0.28 Description The tool connects HarnessAgent to OpenCode via a sandboxed bridge. The tool relay authorizes requests from any process whose command line contains the allowed helper script path...

PT-2026-61722

Name of the Vulnerable Software and Affected Versions @ai-sdk/harness-opencode versions prior to 1.0.29 Description The tool relay authorizes requests from any process whose command line contains an allowed helper script path. This allows untrusted code executing in the sandbox to invoke arbitrar...

CVE-2026-15036

A vulnerability was determined in Harness up to 2.28.2. This vulnerability affects the function getAuthorizedSpaces of the file app/api/controller/gitspace/listall.go of the component gitspaces Endpoint. Executing a manipulation can lead to authorization bypass. The attack can be executed remotel...

CVE-2026-15036 Harness gitspaces Endpoint list_all.go getAuthorizedSpaces authorization

A vulnerability was determined in Harness up to 2.28.2. This vulnerability affects the function getAuthorizedSpaces of the file app/api/controller/gitspace/listall.go of the component gitspaces Endpoint. Executing a manipulation can lead to authorization bypass. The attack can be executed remotel...

EUVD-2026-42281

A vulnerability was determined in Harness up to 2.28.2. This vulnerability affects the function getAuthorizedSpaces of the file app/api/controller/gitspace/listall.go of the component gitspaces Endpoint. Executing a manipulation can lead to authorization bypass. The attack can be executed remotel...

CVE-2026-15036 Harness gitspaces Endpoint list_all.go getAuthorizedSpaces authorization

A vulnerability was determined in Harness up to 2.28.2. This vulnerability affects the function getAuthorizedSpaces of the file app/api/controller/gitspace/listall.go of the component gitspaces Endpoint. Executing a manipulation can lead to authorization bypass. The attack can be executed remotel...

PT-2026-56457

Name of the Vulnerable Software and Affected Versions Harness versions prior to 2.28.2 Description A remote authorization bypass exists within the gitspaces component. The issue resides in the getAuthorizedSpaces function located in the app/api/controller/gitspace/list all.go file. An attacker ca...

CVE-2026-54327

Pi is a minimal terminal coding harness. From 0.74.0 until 0.78.1, Pi stored API keys and OAuth credentials in auth.json. A race condition in the file write path could briefly create or rewrite this file with permissions derived from the process umask before tightening the file to owner-only...

CVE-2026-54326

Pi is a minimal terminal coding harness. From 0.74.0 until 0.78.1, Pi HTML exports render session Markdown into a static HTML file. It did not consistently reject unsafe Markdown link and image URL schemes. In versions with scheme filtering, C0 control characters in the URL scheme could bypass th...