Zenity Labs disclosed three now-patched SalesBleed vulnerabilities in Salesforce Agentforce that allowed attackers to plant indirect prompt injections through public Salesforce Web-to-Lead forms. When an employee later asked Agentforce about a seemingly legitimate lead, hidden instructions in the poisoned record could direct the General CRM subagent to retrieve other CRM records available under its existing permissions, without requiring the employee to click or approve an action.
The researchers demonstrated exfiltration through DNS requests initiated by externally sourced HTML image URLs after bypassing Agentforce's Trusted URLs redaction safeguards; Slack link unfurling also contributed to the data-leak chain. A separate flaw in Slack-thread replies enabled Agentforce to send messages without confirmation or visible attribution, allowing anonymous phishing as the trusted agent. Salesforce remediated the reported issues, with Zenity confirming the final fixes on September 21.

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Zenity tested Salesforce's remediations and confirmed that all three SalesBleed vulnerabilities had been fixed.
Zenity confirmed Salesforce had fixed the Trusted URLs URL-redaction bypass used in the SalesBleed data-exfiltration chain.
Salesforce confirmed that fixes for the reported SalesBleed vulnerabilities were complete. Zenity subsequently validated the Trusted URLs bypass remediation the following day.
Salesforce confirmed to Zenity that it was working on fixes for the reported SalesBleed vulnerabilities.
Zenity Labs reported three Salesforce Agentforce vulnerabilities collectively called SalesBleed to Salesforce. The flaws enabled Web-to-Lead indirect prompt injection, zero-click CRM-data exfiltration, and phishing through Slack-thread replies.
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