BragJack attacks hijack AI browser agents through malicious extensions
2026-09-20T01:23:22Z•cd143366e059ca618cef3b05be009e4ae5f3ecddad7cadae45edf86d04e3040d
AI-agent-hijackingAI-securityAndroid-malwareClickFixGitHub-abuseMicrosoft-365Microsoft-TeamsNorth-Koreacritical-vulnerabilitycryptocurrency-theftdata-breachinfostealermalicious-browser-extensionmalwarephishingprivilege-escalationransomwareremote-access-trojanserver-vulnerabilitysupply-chain-attack
What happened
The feed highlights active and emerging cyber threats, including AI browser-agent hijacking through malicious extensions, a large-scale North Korean cryptocurrency theft campaign, ransomware-site compromise, exploitation of a Gyazo server flaw affecting 23.6 million records, a new Rapuncel infostealer distributed through fake GitHub repositories, critical Check Point management-system vulnerabilities, Android RAT activity, and a Brevo supply-chain attack distributing ClickFix malware. It also covers security advisories, product mitigations, and AI-agent safety concerns.
Why it matters
A reviewed impact interpretation has not been published for this record.
Evidence and limitations
- Source ID
- bleepingcomputer
- Record identifier
- cd143366e059ca618cef3b05be009e4ae5f3ecddad7cadae45edf86d04e3040d
- Enrichment time
- 2026-09-20T01:23:22Z
- AI-assisted enrichment
- Yes
This record may overlap with other records. Its enrichment can be incomplete or wrong, and machine assistance was used. Validate consequential decisions against the linked source and your own environment.