Atlassian's Rovo AI agent found leaking Jira and Confluence data via booby-trapped PDFs
Security firm PromptArmor documented an indirect prompt injection vulnerability in Rovo, Atlassian's AI agent integrated with Jira and Confluence. A PDF containing hidden white-on-white text in 1-point font can instruct Rovo to silently exfiltrate internal tickets and documents to an external server, with no user confirmation or visible trace in the conversation. The attack exploits the fact that large language models process user instructions and document content in the same context window, giving hidden commands the same weight as legitimate ones. Disabling web search at the organisation level does not close the gap, as Rovo's URL-reading tool remains active and can be weaponised to send data out. PromptArmor first reported the flaw to Atlassian on 23 May 2025 and followed up on 4 June and 29 July, but the vulnerability remained unpatched and unacknowledged as of 5 August.
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