Product
Opus 5
- First Reported
- Aug 21, 2026
- Latest Reported
- Oct 27, 2026
Reported Context (6)
- When Anthropic released Opus 5.5 in September, for example, the company said that the model improved performance while costing 40% less than Opus 5 on "typical workloads." AI Security Benchmarks Measure Different Risks, Driving Calls for Internal Testing
- Glow Labs reproduced the behavior using Claude Code with the Opus 5 model on a test version of the puzzle game Minesweeper. AI Coding Agents Exposed 13,000 Internal Screenshots in Public GitHub Repositories
- using Sonnet 5, again resulting in a full AD compromise. Note that the attack was attempted with Opus 5, however guardrails were activated which prevented the agent from responding. Researchers Show How Tampered Conversation Histories Can Hijack AI Coding Agents
- Attribution for the research is described as being “led” by the Hacktron human researchers “assisted by Hacktron Harness, GPT-5.6 Sol, and Opus 5.” HEIF Heist Flaw in Image Decoders Could Enable Data Theft and Remote Code Execution
- Three DeepSeek Pro runs cost about $295 and outperform the tested Opus 5, Grok 4.6 and GPT-5.6 Sol configurations. AI Cybersecurity Models Are Becoming More Interchangeable, Shifting Value to Workflows and Data
People (12)
MITRE ATT&CK (3)
Vendors (11)
Products (59)
Tools (5)
Industries (3)
Note: Related entities, including threat actors, malware, CVEs, MITRE ATT&CK techniques, vendors, products, tools, countries, and industries, are shown when they appear in the same reporting. Their presence does not necessarily mean they were targeted, compromised, vulnerable, responsible for the activity, or directly involved in the incident.
