9.3

CVSS Score

4.0

-

CVSS Score

Basic Information

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CVE-2026-42208

CVE-2026-42208: LiteLLM: SQL injection in Proxy API key verification

LiteLLM is a proxy server (AI Gateway) to call LLM APIs in OpenAI (or native) format. From version 1.81.16 to before version 1.83.7, a database query used during proxy API key checks mixed the caller-supplied key value into the query text instead of passing it as a separate parameter. An unauthenticated attacker could send a specially crafted Authorization header to any LLM API route (for example POST /chat/completions) and reach this query through the proxy's error-handling path. An attacker could read data from the proxy's database and may be able to modify it, leading to unauthorised access to the proxy and the credentials it manages. This issue has been patched in version 1.83.7.

(GitHub Advisory)

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CVE-2026-42208

CVE-2026-42208:

9.3

CVSS Score

4.0

-

CVSS Score

Basic Information

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Technical Details

Package Name	Ecosystem	Vulnerable Versions	First Patched Version
litellm	pip	>= 1.81.16, < 1.83.7	1.83.7

Technical Details

Vulnerability Intelligence
Miggo AI

Root Cause Analysis

The vulnerability exists in the get_data function within litellm/proxy/utils.py. The security advisory and the provided patch clearly indicate a SQL injection vulnerability. The patch replaces a formatted string in the SQL query with a parameterized query, which is the standard mitigation for SQL injection. The vulnerable line WHERE v.token = '{token}' directly uses the user-controlled token variable in the SQL query. The fix changes this to WHERE v.token = $1 and passes the token as a parameter to the database driver, preventing the injection. The vulnerability is triggered when the proxy handles an error, and an unauthenticated attacker can exploit it by sending a specially crafted Authorization header.

Vulnerable functions

get_data

litellm/proxy/utils.py

The `get_data` function in `litellm/proxy/utils.py` is vulnerable to SQL injection. The `token` variable, which is derived from the user-provided `Authorization` header, is directly formatted into the SQL query string. An attacker can craft a malicious `Authorization` header to inject arbitrary SQL commands, allowing them to read or modify data in the database.

Vulnerability Intelligence
Miggo AI

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WAF Rule

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Reasoning

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