INTEL_REPORT
Trail of Bits — Security engineering · published 1/13/2026, 12:00:00 PM · TLP amber
Summary
Ingested excerpt (first ~500 chars of normalized text).
Lack of isolation in agentic browsers resurfaces old vulnerabilities With browser-embedded AI agents, we’re essentially starting the security journey over again. We exploited a lack of isolation mechanisms in multiple agentic browsers to perform attacks ranging from the dissemination of false information to cross-site data leaks. These attacks, which are functionally similar to cross-site scripting (XSS) and cross-site request forgery (CSRF), resurface decades-old patt…
https://blog.trailofbits.com/2026/01/13/lack-of-isolation-in-agentic-browsers-resurfaces-old-vulnerabilities
sha256:23b4cbe344733a5c988a0e8ed57eed3d601070f212fbccb11681d77c78dc812b
What we pulled out
Deterministic extractor (IOC + allowlisted tokens + ATT&CK IDs present in DB).
Indicators
Linked with report → mentions → indicator. Values open the indicator workspace.
Malware families
Allowlist token matches only.
Threat actors mentioned
Allowlist mentions — not a formal attribution verdict.
ATT&CK techniques
MITRE IDs referenced in text and present in local technique table.
CONTINUE INVESTIGATION
High-signal pivots without leaving the thread you started in search.
Browse the report corpus.
Neighborhood from the first linked indicator.
| https://attacker.com/leak/John |
| Open → |
| url | https://some-legit-service.com | Open → |
| url | https://name.wikipedia.org | Open → |
| url | https://John.wikipedia.org | Open → |
| url | https://attacker.com/leak/<city_name> | Open → |
| url | https://attacker.com/leak/Boston | Open → |