Summary Points
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Critical Flaw Discovered: Salesforce Agentforce is vulnerable to an indirect prompt injection exploit (codenamed ForcedLeak, CVSS score: 9.4), potentially allowing attackers to exfiltrate sensitive CRM data.
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Attack Mechanics: The exploitation process involves submitting a malicious Web-to-Lead form, tricking the AI into executing hidden commands that leak data to an attacker-controlled domain.
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Salesforce Response: Salesforce has addressed the vulnerability by securing the expired domain and implementing a Trusted URL allowlist to prevent malicious data transmissions.
- Importance of AI Security: The incident underscores the need for proactive AI security measures to safeguard against emerging threats and prevent significant data breaches.
Recognizing the ForcedLeak Vulnerability
Salesforce recently faced scrutiny over a critical vulnerability in its Agentforce platform. This flaw, known as ForcedLeak, allows attackers to exploit customer relationship management (CRM) data through a method called prompt injection. Cybersecurity researchers at Noma Security discovered this issue on July 28, 2025, assigning it a high CVSS score of 9.4. Essentially, it affects any organization that uses Salesforce’s Web-to-Lead functionality. Given the rise of AI agents, this situation illuminates a new type of attack surface that traditional systems may not address effectively.
In a practical example, attackers can manipulate the Description field in the Web-to-Lead form. By inserting harmful instructions, they can extract sensitive information from Salesforce’s CRM. This exploit capitalizes on flaws in context validation and overly permissive AI behavior. Researchers noted that the system failed to differentiate between legitimate data and malicious commands. As a result, attackers can relay compromised data to domains under their control, sometimes at minimal costs.
Salesforce’s Response and Recommendations
In light of the vulnerability, Salesforce has acted decisively. They re-secured the compromised domain and implemented patches that enforce a URL allowlist. This measure prevents data output from Agentforce and its AI agents to untrusted destinations, thereby raising security protocols. The company emphasized this approach as a crucial defense against data leakage.
Moreover, Salesforce advises users to conduct audits on their lead data for any suspicious submissions. Implementing strict input validation can help mitigate further risks associated with prompt injections. The ForcedLeak incident serves as a critical lesson in AI security. By acknowledging potential vulnerabilities, businesses can better protect themselves against devastating breach damages. The focus on proactive measures underlines the growing importance of safeguarding sensitive data in an increasingly interconnected digital landscape.
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