CVE-2024-9710: Information Disclosure in PostHog

The core of the vulnerability lies in the database_schema method within PostHog, where insufficient validation of a URI allows an attacker to trigger a Server-Side Request Forgery (SSRF). This SSRF can be exploited to access internal resources and, critically, disclose sensitive information. While authentication is required, a compromised account or successful credential theft would grant an attacker access to this information. The potential data at risk includes configuration details, database credentials (if improperly stored), and potentially user data depending on the internal resources accessible via the SSRF. The blast radius extends to any system or data accessible from the PostHog server through the SSRF, making careful network segmentation essential.

1. Reserved2024-10-09
2. Published2024-11-22
3. Modified2024-11-26
4. EPSS updated2026-04-02

The primary mitigation for CVE-2024-9710 is to upgrade to a patched version of PostHog. Unfortunately, a specific fixed version is not provided in the input. Until a patched version is available, consider implementing temporary workarounds. Restrict network access to the PostHog server, limiting outbound connections to only essential services. Implement a Web Application Firewall (WAF) with rules to block suspicious SSRF requests, specifically targeting URI patterns that could lead to internal resource access. Monitor PostHog logs for unusual outbound requests or errors related to the database_schema endpoint. If possible, isolate the PostHog instance within a secure network segment to minimize the potential impact of a successful exploitation.