EUVD-2026-91794

LangGraph SDK custom auth silently ignores actions= on resource decorators...

CVE-2026-104873

LangGraph Python SDK is used to connect to running LangGraph API servers, manage assistants, threads and stream runs from Python applications. From 0.1.45 until 0.4.4, the langgraph-sdk resource-scoped authorization decorators @auth.on.threads, @auth.on.assistants, and @auth.on.crons ignore the...

CVE-2026-104873 LangGraph SDK custom auth silently ignores actions= on resource decorators

LangGraph Python SDK is used to connect to running LangGraph API servers, manage assistants, threads and stream runs from Python applications. From 0.1.45 until 0.4.4, the langgraph-sdk resource-scoped authorization decorators @auth.on.threads, @auth.on.assistants, and @auth.on.crons ignore the...

CVE-2026-104873 LangGraph SDK custom auth silently ignores actions= on resource decorators

LangGraph Python SDK is used to connect to running LangGraph API servers, manage assistants, threads and stream runs from Python applications. From 0.1.45 until 0.4.4, the langgraph-sdk resource-scoped authorization decorators @auth.on.threads, @auth.on.assistants, and @auth.on.crons ignore the...

CVE-2026-104873 LangGraph SDK custom auth silently ignores actions= on resource decorators

LangGraph Python SDK is used to connect to running LangGraph API servers, manage assistants, threads and stream runs from Python applications. From 0.1.45 until 0.4.4, the langgraph-sdk resource-scoped authorization decorators @auth.on.threads, @auth.on.assistants, and @auth.on.crons ignore the...

CVE-2026-104873

The LangGraph Python SDK is vulnerable to an authorization bypass in versions 0.1.45 through 0.4.3 . The root cause is that resource-scoped authorization decorators (@auth.on.threads , @auth.on.assistants , and @auth.on.crons ) ignore the actions argument, registering handlers for every action on...

CVE-2026-104873: Incorrect Authorization

LangGraph Python SDK is used to connect to running LangGraph API servers, manage assistants, threads and stream runs from Python applications. From 0.1.45 until 0.4.4, the langgraph-sdk resource-scoped authorization decorators @auth.on.threads, @auth.on.assistants, and @auth.on.crons ignore the...

PT-2026-104432

Name of the Vulnerable Software and Affected Versions LangGraph Python SDK versions 0.1.45 through 0.4.3 Description Resource-scoped authorization decorators @auth.on.threads, @auth.on.assistants, and @auth.on.crons ignore the actions argument and register the selected handler for every action on...

LangGraph SDK has unsafe URL path construction

Summarylanggraph-sdk constructs HTTP request paths for resource operations by interpolating caller-supplied identifier values into URL templates. Without sanitization of those values, identifiers that contain characters with special meaning in URL paths could cause the resulting request to addres...

EUVD-2026-37289

LangGraph SDK has unsafe URL path construction...

CVE-2026-48776: Improper Limitation of a Pathname to a Restricted Directory

LangGraph Python SDK is used to connect to running LangGraph API servers, manage assistants, threads and stream runs from Python applications. Versions 0.3.14 and prior have unsafe URL path construction through unsanitized caller-supplied identifier values used in HTTP request paths for resource...

CVE-2026-48776 LangGraph SDK has unsafe URL path construction

LangGraph Python SDK is used to connect to running LangGraph API servers, manage assistants, threads and stream runs from Python applications. Versions 0.3.14 and prior have unsafe URL path construction through unsanitized caller-supplied identifier values used in HTTP request paths for resource...

PT-2026-50078

Name of the Vulnerable Software and Affected Versions LangGraph Python SDK versions prior to 0.3.15 Description Unsafe URL path construction occurs due to unsanitized caller-supplied identifier values used in HTTP request paths for resource operations. Identifiers containing characters with speci...