ZDI-25-097: PostHog database_schema Server-Side Request Forgery Information Disclosure Vulnerability
This vulnerability allows remote attackers to disclose sensitive information on affected installations of PostHog. Authentication is required to exploit this vulnerability. The specific flaw exists within the implementation of the databaseschema method. The issue results from the lack of proper validation of a URI prior to accessing resources. An attacker can leverage this vulnerability to disclose information in the context of the service account.
Other sources
This vulnerability allows remote attackers to disclose sensitive information on affected installations of PostHog. Authentication is required to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.1. The following CVEs are assigned: CVE-2025-1522.
— ZDI
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-25-097?
The severity of ZDI-25-097 is rated at 7.1 on the CVSS scale.
How do I fix ZDI-25-097?
To fix ZDI-25-097, update your PostHog installation to the latest patched version provided by the vendor.
What type of information can be disclosed due to ZDI-25-097?
ZDI-25-097 allows remote attackers to disclose sensitive information from affected PostHog installations.
Is authentication required to exploit ZDI-25-097?
Yes, authentication is required to exploit ZDI-25-097.
What CVE is associated with ZDI-25-097?
The CVE associated with ZDI-25-097 is CVE-2025-1522.