CVE-2026-59821 LiteLLM: Custom Code Guardrails production endpoints bypass code safety checks

LiteLLM is a proxy server AI Gateway to call LLM APIs in OpenAI or native format. Prior to 1.82.0-stable, LiteLLM's Custom Code Guardrails production create and update paths did not apply the same sandboxing and validation used by the test endpoint, allowing a privileged user with access to creat...

PT-2026-56542

Name of the Vulnerable Software and Affected Versions LiteLLM versions prior to 1.83.10-stable Description LiteLLM is a proxy server that functions as an AI Gateway for calling LLM APIs. The '/health/test connection' endpoint resolves request-supplied environment and OIDC file references within t...

PT-2026-56544

Name of the Vulnerable Software and Affected Versions LiteLLM versions prior to 1.82.0-stable Description LiteLLM is a proxy server that acts as an AI Gateway for calling LLM APIs. A flaw exists in the production create and update paths of the Custom Code Guardrails, which failed to apply the sam...

CVE-2026-12771

A flaw was found in BerriAI litellm. A remote attacker can exploit an improper authorization vulnerability within the M2M JWT Handler. This could allow unauthorized access, leading to a low impact on the confidentiality, integrity, and availability of affected resources. Mitigation Mitigation for...

PYSEC-2026-1546 LiteLLM Has an Improper Authorization Vulnerability

An improper authorization vulnerability exists in the main-latest version of BerriAI/litellm. When a user with the role 'internaluserviewer' logs into the application, they are provided with an overly privileged API key. This key can be used to access all the admin functionality of the applicatio...

PYSEC-2026-1543 LiteLLM Has a Leakage of Langfuse API Keys

In berriai/litellm version v1.52.1, an issue in proxyserver.py causes the leakage of Langfuse API keys when an error occurs while parsing team settings. This vulnerability exposes sensitive information, including langfusesecret and langfusepublickey, which can provide full access to the Langfuse...

PYSEC-2026-1548 LiteLLM Reveals Portion of API Key via a Logging File

In berriai/litellm before version 1.44.12, the litellm/litellmcoreutils/litellmlogging.py file contains a vulnerability where the API key masking code only masks the first 5 characters of the key. This results in the leakage of almost the entire API key in the logs, exposing a significant amount ...

PYSEC-2026-1545 LiteLLM Vulnerable to Denial of Service (DoS) via Crafted HTTP Request

A Denial of Service DoS vulnerability exists in berriai/litellm version v1.44.5. This vulnerability can be exploited by appending characters, such as dashes -, to the end of a multipart boundary in an HTTP request. The server continuously processes each character, leading to excessive resource...

PYSEC-2026-1549 LiteLLM Vulnerable to Denial of Service (DoS)

A vulnerability in BerriAI/litellm, as of commit 26c03c9, allows unauthenticated users to cause a Denial of Service DoS by exploiting the use of ast.literaleval to parse user input. This function is not safe and is prone to DoS attacks, which can crash the litellm Python server...

PYSEC-2026-1547 LiteLLM Server-Side Request Forgery (SSRF) vulnerability

A Server-Side Request Forgery SSRF vulnerability exists in berriai/litellm version 1.38.10. This vulnerability allows users to specify the apibase parameter when making requests to POST /chat/completions, causing the application to send the request to the domain specified by apibase. This request...

PYSEC-2026-1551 litellm vulnerable to improper access control in team management

berriai/litellm version 1.34.34 is vulnerable to improper access control in its team management functionality. This vulnerability allows attackers to perform unauthorized actions such as creating, updating, viewing, deleting, blocking, and unblocking any teams, as well as adding or deleting any...

PYSEC-2026-1540 Arbitrary file deletion in litellm

BerriAI's litellm, in its latest version, is vulnerable to arbitrary file deletion due to improper input validation on the /audio/transcriptions endpoint. An attacker can exploit this vulnerability by sending a specially crafted request that includes a file path to the server, which then deletes...

PYSEC-2026-1544 SQL injection in litellm

A blind SQL injection vulnerability exists in the berriai/litellm application, specifically within the '/team/update' process. The vulnerability arises due to the improper handling of the 'userid' parameter in the raw SQL query used for deleting users. An attacker can exploit this vulnerability b...

PYSEC-2026-1550 SQL injection in litellm

An SQL Injection vulnerability exists in the berriai/litellm repository, specifically within the /global/spend/logs endpoint. The vulnerability arises due to improper neutralization of special elements used in an SQL command. The affected code constructs an SQL query by concatenating an unvalidat...

Exploit for Authentication Bypass by Spoofing in Litellm

CVE-2026-49468 — LiteLLM Unauthenticated Auth Bypass via Host-...

LiteLLM: Authentication Bypass via Host Header Injection

ImpactA Host-header parsing flaw in the LiteLLM proxy could, under specific conditions, allow unauthenticated access to protected management routes. The auth layer derived the effective route from request.url.path in litellm/proxy/auth/authutils.py::getrequestroute, which Starlette reconstructs...

PYSEC-2026-388 LiteLLM: Authentication Bypass via Host Header Injection

Impact A Host-header parsing flaw in the LiteLLM proxy could, under specific conditions, allow unauthenticated access to protected management routes. The auth layer derived the effective route from request.url.path in litellm/proxy/auth/authutils.py::getrequestroute, which Starlette reconstructs...

PYSEC-2026-389 litellm vulnerable to remote code execution based on using eval unsafely

BerriAI/litellm version v1.35.8 contains a vulnerability where an attacker can achieve remote code execution. The vulnerability exists in the adddeployment function, which decodes and decrypts environment variables from base64 and assigns them to os.environ. An attacker can exploit this by sendin...

PYSEC-2026-387 LiteLLM has Server-Side Template Injection vulnerability in /completions endpoint

BerriAI/litellm is vulnerable to Server-Side Template Injection SSTI via the /completions endpoint. The vulnerability arises from the hfchattemplate method processing the chattemplate parameter from the tokenizerconfig.json file through the Jinja template engine without proper sanitization...

CVE-2026-12772

A flaw was found in BerriAI litellm. A remote attacker could exploit a vulnerability in the authenticateuser function within the PROXYADMIN database API Key Generator component. By performing a specific manipulation, an attacker can cause session expiration for users, leading to a denial of servi...