CVE-2025-1385: Fail input validation in clickhouse-library-bridge API could lead to RCE under specific configuration
Description
When the library bridge feature is enabled, the clickhouse-library-bridge exposes an HTTP API on localhost. This allows clickhouse-server to dynamically load a library from a specified path and execute it in an isolated process. Combined with the ClickHouse table engine functionality that permits file uploads to specific directories, a misconfigured server can be exploited by an attacker with privilege to access to both table engines to execute arbitrary code on the ClickHouse server.
You can check if your ClickHouse server is vulnerable to this vulnerability by inspecting the configuration file and confirming if the following setting is enabled:
9019
Classification
CVE ID: CVE-2025-1385
CVSS Base Severity: HIGH
CVSS Base Score: 7.5
CVSS Vector: CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Problem Types
CWE-20 Improper Input ValidationAffected Products
Vendor: ClickHouse
Product: ClickHouse OSS
Exploit Prediction Scoring System (EPSS)
EPSS Score: 0.14% (probability of being exploited)
EPSS Percentile: 35.07% (scored less or equal to compared to others)
EPSS Date: 2025-04-18 (when was this score calculated)
References
https://nvd.nist.gov/vuln/detail/CVE-2025-1385https://github.com/ClickHouse/ClickHouse/security/advisories/GHSA-5phv-x8x4-83x5