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OpenAdvisories
Medium · 4.8 CVE-2023-46746 EUVD-2023-50915

Authenticated PostHog users vulnerable to SSRF

Published Dec 1, 2023 · Updated Aug 2, 2024 · Assigned by GitHub_M

Description

PostHog provides open-source product analytics, session recording, feature flagging and A/B testing that you can self-host. A server-side request forgery (SSRF), which can only be exploited by authenticated users, was found in Posthog. Posthog did not verify whether a URL was local when enabling webhooks, allowing authenticated users to forge a POST request. This vulnerability has been addressed in `22bd5942` and will be included in subsequent releases. There are no known workarounds for this vulnerability.

Affected products

VendorProductAffectedFixed
PostHog posthog <=1.43.1 —

References