Agent Security & SandboxingTrail of Bits

Trail of Bits discloses the line jumping vulnerability

Made by AIWritten by AI (Claude) from the source below. Check anything important against the source.How it's made

Disclosed the line jumping vulnerability

Why it matters

Showed that a malicious server can manipulate model behavior before any call, using only the descriptions in its tools/list response

Source — Primary sources first; secondary reports are labelled “Press”

Officialblog.trailofbits.comhttps://blog.trailofbits.com/2025/04/21/jumping-the-line-how-mcp-servers-can-attack-you-before-you-ever-use-them/

Added in Week 35, 2026 · See that week

On the map — ㉒ Agent Security line

  1. Previous stop‘Prompt injection’
  2. This record · stopTrail of Bits discloses the line jumping vulnerability
  3. Next stop‘Lethal trifecta’
See it on the map

Same week

Korea's PIPC issues DeepSeek inspection findings and corrective recommendationsPressNaver open-sources HyperCLOVA X SEEDOfficialπ0.5Official

Nearby on the same axis

Simon Willison names the lethal trifectaOfficialAnthropic reports prompt injection defense results (Claude for Chrome)OfficialCisco finds 26% of 31,000 agent skills have at least one vulnerabilityOfficialOpenClaw ships a fix for CVE-2026-25253Press