PYSEC-2026-3477 LiteLLM: Arbitrary file write via path traversal in Skills archive extraction

Impact LiteLLM Skills archive extraction did not sufficiently validate file paths from uploaded skill ZIP archives. An authenticated user with access to LiteLLM LLM API routes, or a key whose allowedroutes includes /v1/skills, anthropicroutes, or llmapiroutes, could upload a crafted skill archive...

LiteLLM: Custom Code Guardrails production endpoints bypass code safety checks

ImpactLiteLLM's Custom Code Guardrails production create/update paths did not apply the same sandboxing and validation used by the test endpoint.A privileged user with access to create or update guardrails could submit custom Python code that executed in the LiteLLM proxy environment. In...

LiteLLM: Local file read via request-supplied OIDC file references

ImpactLiteLLM's /health/testconnection endpoint resolved request-supplied environment and OIDC file references in litellmparams. A proxy administrator, or another privileged caller with permission to test model connections, could cause LiteLLM to read files from the local filesystem via an...

PT-2026-64086

Impact LiteLLM's /health/test connection endpoint resolved request-supplied environment and OIDC file references in litellm params. A proxy administrator, or another privileged caller with permission to test model connections, could cause LiteLLM to read files from the local filesystem via an...

PT-2026-64089

Impact LiteLLM's MCP Streamable HTTP endpoint could allow an unauthenticated attacker to establish an authenticated MCP session using an arbitrary Bearer token. The MCP auth handler supported OAuth2 passthrough for upstream MCP servers, but the fallback path could replace failed LiteLLM key...

GHSA-72M8-9M7M-H278 LiteLLM: Custom Code Guardrails production endpoints bypass code safety checks

Impact LiteLLM's Custom Code Guardrails production create/update paths did not apply the same sandboxing and validation used by the test endpoint. A privileged user with access to create or update guardrails could submit custom Python code that executed in the LiteLLM proxy environment. In...

EUVD-2026-42350

LiteLLM: Custom Code Guardrails production endpoints bypass code safety checks...

EUVD-2026-42359

LiteLLM: MCP Authentication Bypass via OAuth2 Passthrough Fallback...

LiteLLM: MCP Authentication Bypass via OAuth2 Passthrough Fallback

Impact LiteLLM's MCP Streamable HTTP endpoint could allow an unauthenticated attacker to establish an authenticated MCP session using an arbitrary Bearer token. The MCP auth handler supported OAuth2 passthrough for upstream MCP servers, but the fallback path could replace failed LiteLLM key...

GHSA-4G5M-C9R5-49XF LiteLLM: Local file read via request-supplied OIDC file references

Impact LiteLLM's /health/testconnection endpoint resolved request-supplied environment and OIDC file references in litellmparams. A proxy administrator, or another privileged caller with permission to test model connections, could cause LiteLLM to read files from the local filesystem via an...

EUVD-2026-42361

LiteLLM: Local file read via request-supplied OIDC file references...

CVE-2026-52869 vulnerabilities

Vulnerabilities for packages: semgrep, litellm...

GHSA-JPW9-PFVF-9F58 vulnerabilities

Vulnerabilities for packages: semgrep, litellm...

CVE-2026-52870 vulnerabilities

Vulnerabilities for packages: semgrep, litellm...

CVE-2026-59950 vulnerabilities

Vulnerabilities for packages: semgrep, lmcache-cuda-12.8, litellm, tritonserver-backend-vllm-cuda-13.0...

GHSA-VJ7Q-GJH5-988W vulnerabilities

Vulnerabilities for packages: semgrep, lmcache-cuda-12.8, litellm, tritonserver-backend-vllm-cuda-13.0...

GHSA-HVRP-RF83-W775 vulnerabilities

Vulnerabilities for packages: semgrep, litellm...

CLEANSTART-2026-VV80713 Security fixes for CVE-2026-0994 applied in versions: 1.90.2-r1

Security vulnerability affects the litellm-database package. This issue is resolved in later releases. See references for vulnerability details...

CLEANSTART-2026-EH47852 Security fixes for CVE-2026-34180, CVE-2026-48155, CVE-2026-48156, CVE-2026-48522, CVE-2026-48523, CVE-2026-48524, CVE-2026-48525, CVE-2026-48526, CVE-2026-48710, CVE-2026-48735, CVE-2026-48817, CVE-2026-48818, CVE-2026-49460, CVE-2026-49461, CVE-2026-53537, CVE-2026-53538, CVE-2026-53539, CVE-2026-53540, CVE-2026-54282, CVE-2026-54283, CVE-2026-54530, CVE-2026-54531, CVE-2026-54651, CVE-2026-57204, CVE-2026-59935, CVE-2026-59936, CVE-2026-59937, CVE-2026-59938, ghsa-537c-gmf6-5ccf, ghsa-jm82-fx9c-mx94 applied in versions: 1.85.1-r0, 1.89.5-r0, 1.90.2-r0

Multiple security vulnerabilities affect the litellm-database package. These issues are resolved in later releases. See references for individual vulnerability details...

CLEANSTART-2026-GN02455 Security fixes for CVE-2026-34180, CVE-2026-48155, CVE-2026-48156, CVE-2026-48522, CVE-2026-48523, CVE-2026-48524, CVE-2026-48525, CVE-2026-48526, CVE-2026-48710, CVE-2026-48735, CVE-2026-48817, CVE-2026-48818, CVE-2026-49460, CVE-2026-49461, CVE-2026-53537, CVE-2026-53538, CVE-2026-53539, CVE-2026-53540, CVE-2026-54282, CVE-2026-54283, CVE-2026-54530, CVE-2026-54531, CVE-2026-54651, CVE-2026-57204, CVE-2026-59935, CVE-2026-59936, CVE-2026-59937, CVE-2026-59938, ghsa-537c-gmf6-5ccf, ghsa-jm82-fx9c-mx94 applied in versions: 1.85.1-r0, 1.88.5-r0, 1.90.2-r0

Multiple security vulnerabilities affect the litellm-database package. These issues are resolved in later releases. See references for individual vulnerability details...