TEAM is trading 7.1% down at $59.10 after security researchers at Cisco Talos reported that attackers are abusing notification systems in Atlassian's Jira to distribute phishing and spam.
- The vulnerability allows malicious emails to originate from the platform's own infrastructure, enabling them to bypass standard enterprise security filters.
- The stock's decline significantly outpaces the broader market, which is currently trading up 0.5-0.9%, suggesting the security disclosure is the primary driver of the weakness.
- The exploit, identified on April 9, 2026, has raised significant trust and security concerns among Atlassian's enterprise customer base.