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1 mentions in 7 days · 2 in 30 days · 2 total · first seen Aug 17, 2026 · last 5d ago

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Hackers Can Turn Vulnerable LiteLLM AI Gateways Into Root Access and Cloud Credential Theft

Wiz found multiple LiteLLM AI gateway flaws, including a CVE-2026-59822 MCP auth bypass added to CISA KEV, enabling root code execution and cloud credential theft.

An internet scan of 3,074 exposed LiteLLM instances found 294 (9.6%) accepting the default sk-1234 master key and 191 (6.2%) requiring no authentication. CVE-2026-59822 lets a single-character Bearer token establish a valid MCP session via an OAuth2 fallback in versions before 1.84.0; the flaw is in CISA's Known Exploited Vulnerabilities catalog. CVE-2026-59821 allows Python code execution as root in the gateway container via unsanitized Custom Code Guardrails registration before 1.82.0-stable, and CVE-2026-35029 permits config changes leading to RCE and admin takeover. Admin access plus pass-through endpoints can reach cloud metadata services to steal IAM credentials.

GBHackersSep 10, 12:56 UTC · 5d agoAI safety & security in the wild 4 sources CVE-2026-59822 CVE-2026-59821 CVE-2026-35029

LiteLLM Supply-Chain Attack - Technology, Banking and Healthcare the Most Affected

TeamPCP planted the SANDCLOCK credential stealer in LiteLLM PyPI releases, exposing credentials across 2,038 repositories at 898 organizations including Microsoft and NVIDIA.

Threat actor TeamPCP compromised LiteLLM maintainer credentials and published malicious versions 1.82.7 and 1.82.8 to PyPI around March 2026, creating an exposure window of several months. The SANDCLOCK credential stealer exposed full credential sets across 898 GitHub owners and 2,038 repositories, including Microsoft, Azure, IBM, NVIDIA, PayPal, Deloitte, Bosch, and S&P Global. Stolen material includes GitHub CI/CD identities, AWS/GCP/Firebase credentials, SSH keys, Kubernetes secrets, and OpenAI and Anthropic API keys; Resecurity acquired a 150GB archive with 2,146 credential records. Technology, banking/finance, and healthcare organizations are the most affected sectors, and victims must rotate all exposed credentials.

Security AffairsAug 17, 17:09 UTC · 29d agoMalware in the wild

Related CVEsby mentions

CVE-2026-598228.8<1%
Unauthenticated MCP Endpoint Authentication Bypass in BerriAI LiteLLM
BerriAI LiteLLM, a widely used self-hosted AI gateway and proxy server for calling LLM APIs, fails to properly authenticate requests to its MCP Streamable HTTP endpoint in versions prior to 1.84.0. An unauthenticated attacker can send a fabricated Authorization header that triggers an OAuth2 passthrough fallback, which replaces failed LiteLLM key validation with an empty UserAPIKeyAuth() object and lets the request reach MCP tooling without any valid LiteLLM key. Successful exploitation grants unauthenticated access to the gateway's MCP tooling with high confidentiality impact per the CVSS 4.0 score of 8.8, and public reporting describes attackers chaining LiteLLM weaknesses from authentication bypass to root code execution and cloud credential theft. Any organization running LiteLLM before 1.84.0 is affected, particularly gateways exposed to the internet. The flaw is confirmed exploited in the wild: CISA added it to the Known Exploited Vulnerabilities catalog on 2026-09-02, while EPSS currently estimates a 0.9% probability of exploitation in the next 30 days.
· BerriAI LiteLLM all versions prior to 1.84.0 (fixed in 1.84.0) KEVmoderate
CVE-2026-350298.725%
Broken Access Control in LiteLLM AI Gateway Enables Authenticated RCE
CVE-2026-35029 is a broken access control flaw (CWE-863, CWE-425) in LiteLLM, an open-source proxy server (AI Gateway) for calling LLM APIs, in which the /config/update endpoint fails to enforce admin-role authorization in versions prior to 1.83.0. Any user who is already authenticated to the proxy can call this network-accessible endpoint without admin rights and modify the proxy configuration and environment variables. Through this, an attacker can achieve remote code execution by registering pass-through endpoint handlers that point to attacker-controlled Python code, read arbitrary server files by setting UI_LOGO_PATH and fetching the file via /get_image, and take over other privileged accounts by overwriting the UI_USERNAME and UI_PASSWORD environment variables; related security coverage also highlights that vulnerable LiteLLM gateways can be turned into root-level code execution and cloud credential theft. Any organization running a LiteLLM proxy older than v1.83.0 is affected, particularly deployments where non-admin users hold authenticated accounts. No public proof-of-concept or confirmed in-the-wild exploitation is known and the flaw is not in CISA KEV, but EPSS assigns a 25.1% probability of exploitation within 30 days (98th percentile), signaling elevated near-term risk.
· LiteLLM proxy server (AI Gateway) all versions prior to 1.83.0; fixed in v1.83.0moderate
CVE-2026-598212.1<1%
LiteLLM is a proxy server (AI Gateway) to call LLM APIs in OpenAI (or native) format.
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 create or update guardrails to submit custom Python code that executed in the LiteLLM proxy environment and could expose secrets available to the process. This issue is fixed in version 1.82.0-stable.
· litellm litellm—

Appears with

product LiteLLM 2 ai model Anthropic 2 vendor LiteLLM 2 vendor AWS 1 victim NVIDIA 1 victim Bosch 1 victim PayPal 1 ai model Azure 1 organization Resecurity 1 organization Wiz 1 threat actor TeamPCP 1 organization CISA 1 organization Red Hat 1 organization PyPI 1 ai model Google Vertex AI 1 victim Microsoft 1

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