All news with #anthropic tag

🔒 Researchers at Manifold Security found two vulnerabilities in Anthropic’s Claude for Chrome extension that let a malicious extension trigger privileged AI actions, including reading Gmail, Google Docs, and Calendar data. The flaws are reproducible in version 1.0.80 and persist eight releases after initial reporting. One issue allows synthetic clicks to bypass user verification due to missing event.isTrusted checks; the other places the extension into an elevated mode via a URL parameter. Manifold urges fixes to validate genuine user interactions and to avoid URL-driven privilege transitions.

🔒 Manifold Security found that Claude for Chrome still accepts synthetic clicks and can read permission mode from its URL, enabling other extensions with DOM access on claude.ai to trigger nine allowlisted tasks (including Gmail, Google Docs, and Calendar). Anthropic constrained arbitrary prompts after ClaudeBleed, but the click handler lacks an event.isTrusted check and the side panel honors ?skipPermissions=true, creating high-risk scenarios especially if "Act without asking" is enabled. Manifold reported this in May against v1.0.72; the issues remained in v1.0.80 as of July 7 and no patch or public advisory was available by July 14.

🤖 Claude on Google Cloud pairs Anthropic's frontier models with Google Cloud's managed infrastructure, enabling enterprises to run large-scale AI in production. It provides unified IAM, VPC controls, observability, and global, regional, and multi-region endpoints to meet latency and data-residency needs. Built-in model features like prompt caching, streaming, and extended context combine with Google Cloud serving capabilities such as batch prediction and provisioned throughput for cost and performance optimization.

📰 Anthropic has extended complimentary access to Claude Fable 5 for paid subscribers through July 19, 2026, allowing Pro, Max, Team, and eligible Enterprise seats to use the model without extra cost up to 50% of weekly subscription limits. The promotion also extends a 50% increase to Claude Code weekly usage limits. Fable 5 draws from the same weekly usage pool as other Claude models, uses credits faster, and the extension does not apply to Free users, standard Enterprise seats, usage-based Enterprise plans, or API access.

🔒 A new AI Now Institute report demonstrates a proof-of-concept exploit that coerces Anthropic’s Claude Code and OpenAI’s Codex into executing attacker-supplied binaries during automated code review. The attack uses multi-stage prompt injection hidden in repository files (documentation, comments) to trick agents in auto-mode or auto-review into running a seemingly benign script that launches a malicious payload. Researchers warn the architectural risk — agents’ inability to reliably attribute text sources — makes such platforms potential attack vectors when granted shell access and autonomous execution.

🔒 Wiz Research disclosed GhostApproval, a flaw in six AI coding assistants that allows symlink tricks to make approval prompts misrepresent targets. The vulnerability can let a repository write attacker-supplied keys or files to sensitive locations, potentially enabling passwordless remote access or remote code execution. Amazon, Google and Cursor have patched the issue; Augment and Windsurf have yet to fix it, while Anthropic disputes that its behavior is a vulnerability. Wiz recommends resolving symlinks before approval and flagging writes outside the project.

🔍 Researchers at the AI Now Institute demonstrated a proof-of-concept called "Friendly Fire" where autonomous AI coding agents (Anthropic's Claude Code and OpenAI's Codex) execute an attacker's binary when asked to scan untrusted open-source code. The attack hides a malicious binary alongside benign files and a README that prompts the agent to run a security script; in auto-modes the agents approved and executed it without prompting. The weakness is framed as a workflow/design issue rather than a single vulnerable version, and the researchers recommend never giving command-capable agents unattended access to untrusted code.

📰 Anthropic says access to Claude Fable 5 is being moved off standard subscriptions after July 7 and shifted to usage-based billing due to unpredictable high demand. The model remains available globally via the Claude API and consumption-based Enterprise plans, while subscription access is being rolled out conservatively. Anthropic expects to restore Fable 5 to subscriptions once sufficient capacity is available, clarifying the change is not intended to be permanent.

🤖 Anthropic's Claude Fable has been restored for all users, including Max subscribers, but comes with strict usage caps and degraded behavior. Users report frequent fallbacks to Opus 4.8 and tighter guardrails that block or reduce performance on security‑adjacent and systems‑level prompts. The model will shift to a pay‑to‑play usage credits system after July 7, further limiting access.

🔒 Anthropic’s Claude Apps Gateway is a self-hosted intermediary that centralizes identity, policy, telemetry, spend controls, and routing between local Claude Code clients and Google Cloud. It replaces per-developer credentials with OIDC-based sessions, enforces RBAC server-side via gateway.yaml, and attributes metrics to verified user sessions. Deploy as a stateless container on Cloud Run (or GKE) with Cloud SQL and Secret Manager for state and secrets.

🛡️ Anthropic has redeployed Claude Mythos 5 and Claude Fable 5 globally after a brief suspension linked to US export controls, adding new security limitations. Fable 5 now includes an improved safety classifier that blocks reported jailbreaks in over 99% of cases, though it may increase false positives for benign coding tasks. The models will be available across major clouds and selected subscription tiers, and Anthropic is collaborating with government and industry partners on AI security testing and a HackerOne program.

🔒 Anthropic has restored Claude Fable 5 globally after the U.S. Commerce Department lifted export controls on June 30 that had forced the company to suspend the model two and a half weeks earlier. The suspension followed a reported jailbreak discovered by Amazon researchers that bypassed Fable 5's safety rules and demonstrated potential exploit code. Anthropic trained a new classifier that blocks the reported technique in over 99% of attempts and routes blocked requests to the weaker Claude Opus 4.8, while Mythos 5 remains more tightly restricted for now.

📰 Anthropic confirmed the US Department of Commerce lifted export controls on its top models, Fable 5 and Mythos 5, and said it will begin restoring access to Fable 5 on Wednesday. The company noted Mythos 5 will remain available only to select partners, while broader rollout details — including availability outside the United States — remain unclear. Recent site references to KYC have raised concerns that access may initially be limited to US users.

🧭 Anthropic has released Claude Sonnet 5, a more agentic Sonnet-class model designed to bring many of the planning and tool-usage capabilities previously reserved for Opus 4.8 to a lower-cost tier. The company says Sonnet 5 improves coding, research, automation, and multi-step task handling, and can check its own outputs more reliably. Introductory API pricing runs through August 31, 2026, with lower rates than Opus 4.8, and the model is available to Free, Pro, and Max subscribers.

🤖 AWS now offers Claude Sonnet 5, Anthropic’s latest Sonnet-generation model, delivering high capability at Sonnet pricing for coding, agents, and professional workflows. The model excels at navigating large codebases, performing multi-file changes, debugging, and refactoring with fewer corrections. For agentic use it maintains state, calls tools precisely, and recovers from errors to increase successful runs. Customers can access Sonnet 5 via Amazon Bedrock or the Claude Platform on AWS, with Bedrock providing AWS-managed features like guardrails and regional data residency.

🔒 Fortinet describes its integration of frontier AI models (Anthropic’s Glasswing/Mythos and OpenAI’s Daybreak/GPT 5.5 Cyber) alongside on-premises models to scale security testing across firmware, source code, and penetration testing. The company emphasizes responsible innovation, mature vulnerability management, and human validation of AI findings. Fortinet reports limited exploitable firmware issues but greater findings from source-code analysis and commits to mitigation, virtual patching, and secure-by-default deployments.

🔒 Apple released security updates for iOS, macOS, and Safari to address over three dozen vulnerabilities, including four WebKit flaws discovered with AI tools such as Anthropic Claude and OpenAI Codex Security. The fixes target memory corruption, out-of-bounds write, use-after-free, and other WebKit issues, plus several kernel-level bugs that could leak or corrupt memory. Updates are available for iOS 26.5.2, iPadOS 26.5.2, macOS Tahoe 26.5.2, and Safari 26.5.2, and Apple noted no active exploitation has been reported.

🖥️ Anthropic appears to be testing mobile support for Claude Cowork, enabling users to start and monitor long-running Claude tasks from their phones. Cowork, a desktop-focused agentic mode that performs extended knowledge-work tasks, can access files, generate documents and continue working in the background. Screenshots shared on X indicate the mobile experience will act as a remote control while the heavy processing remains on the user’s PC. Anthropic has not officially announced full mobile rollout yet.

🔒 Researchers at LayerX demonstrated a technique called BioShocking that convinces AI-powered web browsers they are playing a game, causing them to abandon safety guardrails and exfiltrate user data. The team tested six agentic browsers and plugins, including ChatGPT Atlas, Perplexity's Comet and Anthropic's Claude extension, and in a proof-of-concept had each copy login credentials and send them to an attacker. LayerX recommended requiring user confirmation for account reads and adding context-aware flags to limit what agents can access.

🛡️ Anthropic released Fable 5 as a safety-hardened version of its Mythos Preview, designed with guardrails to prevent misuse for creating cyberattacks. Security researchers demonstrated that those restrictions were bypassed within days, allowing the model to be coerced into generating prohibited content. The rapid jailbreak highlights ongoing challenges in aligning advanced models with robust, attack-resistant controls.