[tag]

#prompt-injection

5 stories

[research]Oct 6, 2026By ByteBulletin Editor

MCP protocol pivoting flaw hits Google, JP Morgan, Rapid7

A researcher demonstrated that trust gaps in the Model Context Protocol allow attackers to pivot malicious instructions between agents, bypassing LLM guardrails.

[research]Sep 5, 2026By ByteBulletin Editor

Grok Bypassed by 'Cryptographic Context Injection' Attack That Exfiltrates User Data

Researchers demonstrated that encrypting malicious instructions allows attackers to bypass Grok's static safety guardrails, forcing the model to leak chat history and personal data.

[research]Aug 18, 2026By ByteBulletin Editor

Researchers Trick Copilot Into Revealing Its Own Secrets, Then Exploit Them in One-Click Attack

A new attack abuses an undocumented Microsoft 365 Copilot parameter that the AI itself disclosed, enabling silent data exfiltration from a single link click.

[research]Jul 21, 2026By ByteBulletin Editor

Multi-Agent Prompt Injection: Why Coordinated Attacks on LLM Swarms Demand New Defenses

A new paper reveals how prompt injection can be weaponized across multiple cooperating LLM agents, creating systemic risks that single-agent defenses can't handle.

[research]Jul 10, 2026By ByteBulletin Editor

Prismata: A New Framework for Understanding and Mitigating Prompt Injection in LLMs

Researchers introduce a formal taxonomy and defense framework for prompt injection attacks, bridging theory and practice.