{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-118667", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-10-28T17:25:37.562Z", "datePublished": "2026-10-28T20:51:46.657Z", "dateUpdated": "2026-10-28T20:51:46.657Z"}, "containers": {"cna": {"title": "LangGraph: Unencoded identifiers in LangGraph SDK v3 streaming can redirect authenticated GET requests", "problemTypes": [{"descriptions": [{"cweId": "CWE-22", "lang": "en", "description": "CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/langchain-ai/langgraph/security/advisories/GHSA-3fx2-cqw9-xr3c", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/langchain-ai/langgraph/security/advisories/GHSA-3fx2-cqw9-xr3c"}, {"name": "https://github.com/langchain-ai/langgraph/pull/9213", "tags": ["x_refsource_MISC"], "url": "https://github.com/langchain-ai/langgraph/pull/9213"}, {"name": "https://github.com/langchain-ai/langgraph/commit/d89c7e100ec6fc1512544d23b0a7c5169699ef3e", "tags": ["x_refsource_MISC"], "url": "https://github.com/langchain-ai/langgraph/commit/d89c7e100ec6fc1512544d23b0a7c5169699ef3e"}, {"name": "https://github.com/langchain-ai/langgraph/releases/tag/1.2.14", "tags": ["x_refsource_MISC"], "url": "https://github.com/langchain-ai/langgraph/releases/tag/1.2.14"}, {"name": "https://github.com/langchain-ai/langgraph/releases/tag/sdk%3D%3D0.4.6", "tags": ["x_refsource_MISC"], "url": "https://github.com/langchain-ai/langgraph/releases/tag/sdk%3D%3D0.4.6"}], "affected": [{"vendor": "langchain-ai", "product": "langgraph", "versions": [{"version": ">= 1.2.3, < 1.2.14", "status": "affected"}]}, {"vendor": "langchain-ai", "product": "langgraph-sdk", "versions": [{"version": ">= 0.4.0, < 0.4.6", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-28T20:51:46.657Z"}, "descriptions": [{"lang": "en", "value": "LangGraph Python SDK is used to connect to running LangGraph API servers, manage assistants, threads and stream runs from Python applications. From langgraph-sdk 0.4.0 until 0.4.6, and from langgraph 1.2.3 until 1.2.14 when RemoteGraph v3 streaming uses an affected langgraph-sdk version, the synchronous and asynchronous v3 stream get_tree and _fetch_state helpers interpolate caller-controlled assistant_id and thread_id values into authenticated GET request paths without using _quote_path_param. Relative path segments can therefore be normalized into another readable path on the configured server while retaining authentication headers. This issue is fixed in langgraph-sdk 0.4.6 and langgraph 1.2.14."}], "source": {"advisory": "GHSA-3fx2-cqw9-xr3c", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "langgraph", "vendor": "langchain-ai", "versions": [{"status": "affected", "version": ">= 1.2.3, < 1.2.14"}]}, {"product": "langgraph-sdk", "vendor": "langchain-ai", "versions": [{"status": "affected", "version": ">= 0.4.0, < 0.4.6"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "LangGraph Python SDK is used to connect to running LangGraph API servers, manage assistants, threads and stream runs from Python applications. From langgraph-sdk 0.4.0 until 0.4.6, and from langgraph 1.2.3 until 1.2.14 when RemoteGraph v3 streaming uses an affected langgraph-sdk version, the synchronous and asynchronous v3 stream get_tree and _fetch_state helpers interpolate caller-controlled assistant_id and thread_id values into authenticated GET request paths without using _quote_path_param. Relative path segments can therefore be normalized into another readable path on the configured server while retaining authentication headers. This issue is fixed in langgraph-sdk 0.4.6 and langgraph 1.2.14."}], "id": "CVE-2026-118667", "lastModified": "2026-10-28T21:16:57.113", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 1.4, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-10-28T21:16:57.113", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/langchain-ai/langgraph/commit/d89c7e100ec6fc1512544d23b0a7c5169699ef3e"}, {"source": "security-advisories@github.com", "url": "https://github.com/langchain-ai/langgraph/pull/9213"}, {"source": "security-advisories@github.com", "url": "https://github.com/langchain-ai/langgraph/releases/tag/1.2.14"}, {"source": "security-advisories@github.com", "url": "https://github.com/langchain-ai/langgraph/releases/tag/sdk%3D%3D0.4.6"}, {"source": "security-advisories@github.com", "url": "https://github.com/langchain-ai/langgraph/security/advisories/GHSA-3fx2-cqw9-xr3c"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-22"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{"created": "2026-10-28T22:30:12.256831+00:00", "updated": "2026-10-28T22:30:12.256836+00:00", "vendors": []}