SecurityUnverified

BragJack attacks hijack AI browser agents through malicious extensions

BragJack, a proof-of-concept attack from Forever Security's Gal Weizman, hijacks the AI assistants in Chrome, Edge, Opera Neon, Perplexity Comet, and Claude in Chrome using one malicious extension. The Prompt Forcing technique earned over $20,000 in bounties and two CVEs. [...]

What happened

BragJack, a proof-of-concept attack from Forever Security's Gal Weizman, hijacks the AI assistants in Chrome, Edge, Opera Neon, Perplexity Comet, and Claude in Chrome using one malicious extension. The Prompt Forcing technique earned over $20,000 in bounties and two CVEs. [...]

Why it matters

The development may change operating conditions or market expectations around Security. Further confirmation and measurable outcomes matter.

Affected entities

View evidence

1 reports · 1 original report · 1 independent

  1. BleepingComputerPrimary source · Supports · EN · 100%
    BragJack attacks hijack AI browser agents through malicious extensions

Claims

  • BragJack attacks hijack AI browser agents through malicious extensions Observed

Conflicts

No material conflict detected in the available evidence.

Timeline

  1. First reported

Market move following event

Market reaction is not yet available for this asset and time window.

Score explanation

Confidence · formula confidence-2.1.0
Source trust84
Independent corroboration51
Primary evidence35
Claim consistency82
Extraction confidence82
Attribution quality90
Impact · formula impact-2.1.0
Event magnitude45
Market relevance74
Entity significance42
Market breadth45
Novelty68
Urgency55
capital magnitude36
Ranking · formula rank-1.0.0
Confidence factor0.847
Freshness factor0.9998
Breaking bonus0