VulnerabilityAnalyzed

CVE-2025-1522

PostHog database_schema Server-Side Request Forgery Information Disclosure Vulnerability.

MEDIUM 6.5EPSS 0.60%

Does this matter?

Lower severity and a low EPSS score (0.60%). Track it; it rarely justifies an emergency change on its own.

Description

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 database_schema 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. Was ZDI-CAN-25358.

CVSS 3.1: 6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS: 0.60% probability · 47th percentile
CISA KEV: Not listed
Weakness: CWE-918
Affected: posthog/posthog
Source: zdi-disclosures@trendmicro.com

References

https://github.com/PostHog/posthog/commit/3732c0fd9551ed29521b58611bf1e44d918c1032Patch
https://www.zerodayinitiative.com/advisories/ZDI-25-097/Third Party Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.