{"schema_version":1,"title":"LangChain LangSmith SDK vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 4 vulnerabilities in LangChain LangSmith SDK: 0 in the last 7 days and 2 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-25528, was published on 13 July 2026.","url":"https://junglewise.ai/threats/technologies/langsmith-sdk","json_url":"https://junglewise.ai/threats/technologies/langsmith-sdk.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/technologies/langsmith-sdk","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","counts":{"high":1,"all_time":4,"critical":0,"exploited":0,"last_7_days":0,"last_30_days":0,"last_90_days":2,"last_365_days":4},"latest":[{"cve":"CVE-2026-25528","cvss":3.1,"epss":0.0033,"slug":"cve-2026-25528-langchain-langsmith-sdk-server-side-request-forgery-via-tracing","title":"PYSEC-2026-2584 - LangSmith Client SDK Affected by Server-Side Request Forgery via Tracing Header Injection","severity":"low","exploited":false,"published_at":"2026-07-13T14:36:35.362216+00:00","url":"https://junglewise.ai/threats/cve-2026-25528-langchain-langsmith-sdk-server-side-request-forgery-via-tracing"},{"cve":"CVE-2026-59152","cvss":5,"epss":0.002,"slug":"cve-2026-59152-langchain-langsmith-sdk-arbitrary-file-read-in-tracingmiddleware","title":"LangChain LangSmith SDK arbitrary file read in TracingMiddleware","severity":"medium","exploited":false,"published_at":"2026-07-06T16:16:37.413+00:00","url":"https://junglewise.ai/threats/cve-2026-59152-langchain-langsmith-sdk-arbitrary-file-read-in-tracingmiddleware"},{"cve":"CVE-2026-45134","cvss":7.1,"epss":0.0034,"slug":"cve-2026-45134-langchain-langsmith-sdk-untrusted-deserialization-in-prompt-pull","title":"LangChain LangSmith SDK untrusted deserialization in prompt pull methods","severity":"high","exploited":false,"published_at":"2026-05-27T20:16:38.697+00:00","url":"https://junglewise.ai/threats/cve-2026-45134-langchain-langsmith-sdk-untrusted-deserialization-in-prompt-pull"},{"cve":"CVE-2026-41182","cvss":5.3,"epss":0.0036,"slug":"cve-2026-41182-langchain-langsmith-sdk-sensitive-information-leak-in-streaming","title":"LangChain LangSmith SDK sensitive information leak in streaming events","severity":"medium","exploited":false,"published_at":"2026-04-23T02:16:16.123+00:00","url":"https://junglewise.ai/threats/cve-2026-41182-langchain-langsmith-sdk-sensitive-information-leak-in-streaming"}],"weekly":[{"week":"2026-06-29","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-06","critical":0,"exploited":0,"vulnerabilities":1},{"week":"2026-07-13","critical":0,"exploited":0,"vulnerabilities":1},{"week":"2026-07-20","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-27","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-03","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-10","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0}],"related":[],"technology":{"hub":true,"name":"LangChain LangSmith SDK","slug":"langsmith-sdk","vendor":{"name":"LangChain","slug":"langchain","url":"https://junglewise.ai/threats/vendors/langchain"},"aliases":[],"category":"library","homepage":"https://smith.langchain.com/","repo_url":"https://github.com/langchain-ai/langsmith-sdk","description":"The official Python and JavaScript client library for interacting with the LangSmith platform for LLM application tracing and evaluation.","url":"https://junglewise.ai/threats/technologies/langsmith-sdk"},"most_severe":[{"cve":"CVE-2026-45134","cvss":7.1,"epss":0.0034,"slug":"cve-2026-45134-langchain-langsmith-sdk-untrusted-deserialization-in-prompt-pull","title":"LangChain LangSmith SDK untrusted deserialization in prompt pull methods","severity":"high","exploited":false,"published_at":"2026-05-27T20:16:38.697+00:00","url":"https://junglewise.ai/threats/cve-2026-45134-langchain-langsmith-sdk-untrusted-deserialization-in-prompt-pull"},{"cve":"CVE-2026-41182","cvss":5.3,"epss":0.0036,"slug":"cve-2026-41182-langchain-langsmith-sdk-sensitive-information-leak-in-streaming","title":"LangChain LangSmith SDK sensitive information leak in streaming events","severity":"medium","exploited":false,"published_at":"2026-04-23T02:16:16.123+00:00","url":"https://junglewise.ai/threats/cve-2026-41182-langchain-langsmith-sdk-sensitive-information-leak-in-streaming"},{"cve":"CVE-2026-59152","cvss":5,"epss":0.002,"slug":"cve-2026-59152-langchain-langsmith-sdk-arbitrary-file-read-in-tracingmiddleware","title":"LangChain LangSmith SDK arbitrary file read in TracingMiddleware","severity":"medium","exploited":false,"published_at":"2026-07-06T16:16:37.413+00:00","url":"https://junglewise.ai/threats/cve-2026-59152-langchain-langsmith-sdk-arbitrary-file-read-in-tracingmiddleware"},{"cve":"CVE-2026-25528","cvss":3.1,"epss":0.0033,"slug":"cve-2026-25528-langchain-langsmith-sdk-server-side-request-forgery-via-tracing","title":"PYSEC-2026-2584 - LangSmith Client SDK Affected by Server-Side Request Forgery via Tracing Header Injection","severity":"low","exploited":false,"published_at":"2026-07-13T14:36:35.362216+00:00","url":"https://junglewise.ai/threats/cve-2026-25528-langchain-langsmith-sdk-server-side-request-forgery-via-tracing"}],"generated_at":"2026-09-26T13:07:00.120236+00:00"}