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CVE-2026-12958: GhostApproval Symlink Attack on Coding Agents

CVE-2026-12958: GhostApproval Symlink Attack on Coding Agents

ATLAS OWASP HIGH Significant risk · Prioritise patching ▲ 8.7 The Hacker News

Wiz researchers disclosed GhostApproval, a symlink-based attack affecting six AI coding assistants — Amazon Q Developer, Claude Code, Augment, Cursor, Google Antigravity, and Windsurf — that allows malicious repositories to write attacker-controlled content to sensitive files such as SSH authorized_keys or shell startup scripts. The core failure is an informed-consent bypass: the agent's approval dialog names a harmless file while the write targets a sensitive one, or in some tools the write completes before any prompt appears. Three vendors have patched, two have not, and Anthropic disputes the classification as a vulnerability.

DPAPI Abuse in Claude Code and Cursor Triggers EDR

DPAPI Abuse in Claude Code and Cursor Triggers EDR

ATLAS OWASP HIGH Significant risk · Prioritise patching ▲ 8.2 The Hacker News

Sophos telemetry from June 2026 reveals that AI coding agents including Claude Code, Cursor, and OpenAI Codex are triggering endpoint detection rules designed to catch human attackers, performing actions such as DPAPI-based credential decryption, Windows Credential Manager enumeration, and persistence via startup folder writes. The behaviour is not malicious in intent, but the agents exhibit attacker-like pivot-when-blocked logic and abuse legitimate Windows utilities in ways indistinguishable from living-off-the-land intrusions. This blurring of the line between benign automation and attack tradecraft creates significant noise for defenders and may erode confidence in high-fidelity detection rules.

Agentjacking: Prompt Injection via Malicious Bug Reports

Agentjacking: Prompt Injection via Malicious Bug Reports

ATLAS OWASP HIGH Significant risk · Prioritise patching ▲ 8.2 Dark Reading

A technique dubbed 'agentjacking' exploits the inability of AI coding agents to distinguish between legitimate content and embedded instructions, allowing attackers to hijack agent behaviour through maliciously crafted bug reports. The attack represents a scalable, low-barrier prompt injection vector targeting developer workflows that rely on autonomous AI agents. As AI coding assistants gain broader adoption and elevated system permissions, this class of attack poses a significant risk to software supply chain integrity.

Agentjacking Attack Achieves 85% Success Rate Against AI Coding Agents via Sentry MCP

Agentjacking Attack Achieves 85% Success Rate Against AI Coding Agents via Sentry MCP

ATLAS OWASP CRITICAL Active exploitation · Immediate action required ▲ 9.2 The Hacker News

Tenet Security has disclosed 'Agentjacking', a novel attack class that exploits the implicit trust AI coding agents place in Model Context Protocol (MCP) data sources. By injecting malicious instructions into Sentry error events via publicly accessible DSN credentials, attackers can cause agents like Claude Code and Cursor to execute arbitrary code with full developer privileges. Researchers confirmed 2,388 exposed organisations and an 85% exploitation success rate in controlled testing, with no prior access to victim infrastructure required.

Miasma Worm Compromises 73 Microsoft NPM Packages for AI Agents

Miasma Worm Compromises 73 Microsoft NPM Packages for AI Agents

ATLAS OWASP CRITICAL Active exploitation · Immediate action required ▲ 8.5 Ars Technica Security

Seventy-three Microsoft-hosted open source packages were compromised with the Miasma credential-stealing worm, which activates specifically when developers open packages inside AI coding agents. The malware, attributed to threat actor TeamPCP, exploits legitimate OIDC token workflows and SLSA provenance attestation to bypass supply-chain integrity checks and spread laterally across cloud infrastructure. This marks the second such compromise of an official Microsoft repository in as many months, indicating a sustained campaign targeting developer toolchains and the AI-assisted development pipeline.

Comment Injection Attacks Hit Claude Code, Gemini, Copilot

Comment Injection Attacks Hit Claude Code, Gemini, Copilot

ATLAS OWASP HIGH Significant risk · Prioritise patching ▲ 8.2 SecurityWeek

A researcher has disclosed a novel prompt injection attack technique dubbed 'Comment and Control,' demonstrating that popular AI coding agents — including Claude Code, Gemini CLI, and GitHub Copilot Agents — can be manipulated through malicious instructions embedded in source code comments. The attack exploits the tendency of agentic coding tools to process and act upon contextual content within files they are tasked to read or modify. This represents a meaningful escalation in the risk surface of AI-assisted software development workflows.

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