{"action":"Upgrade langsmith to 0.6.3 or later.","affected":[{"fixed":"0.6.3","introduced":"0.4.10"}],"component":"langsmith","cve_ids":["CVE-2026-25528"],"ecosystem":"PyPI","epss":0.00315,"exploited":false,"fixed_versions":["0.6.3"],"ghsa_id":"GHSA-v34v-rq6j-cj6p","id":"tcs_01M5KFZ0BYBWFQH7Y9YBY6CN9X","modified_at":"2026-09-10T03:50:35.941728103Z","published_at":"2026-02-09T20:36:59Z","references":["https://osv.dev/vulnerability/GHSA-v34v-rq6j-cj6p","https://github.com/langchain-ai/langsmith-sdk/security/advisories/GHSA-v34v-rq6j-cj6p","https://nvd.nist.gov/vuln/detail/CVE-2026-25528","https://github.com/langchain-ai/langsmith-sdk"],"severity":{"label":"medium","score":5.8},"sources":[{"source":"osv","source_id":"GHSA-v34v-rq6j-cj6p","url":"https://osv.dev/vulnerability/GHSA-v34v-rq6j-cj6p"}],"summary":"LangSmith Client SDK Affected by Server-Side Request Forgery via Tracing Header Injection"}