{"action":"Upgrade langsmith to 0.8.18 or later.","affected":[{"fixed":"0.8.18","introduced":"0"}],"component":"langsmith","cve_ids":["CVE-2026-59152"],"ecosystem":"PyPI","epss":0.00198,"exploited":false,"fixed_versions":["0.8.18"],"ghsa_id":"GHSA-f4xh-w4cj-qxq8","id":"tcs_01M5KFEERT5MVYPXSFY919KGP5","modified_at":"2026-09-10T03:50:49.251222821Z","published_at":"2026-06-19T22:10:34Z","references":["https://osv.dev/vulnerability/GHSA-f4xh-w4cj-qxq8","https://github.com/langchain-ai/langsmith-sdk/security/advisories/GHSA-f4xh-w4cj-qxq8","https://github.com/langchain-ai/langsmith-sdk"],"severity":{"label":"high","score":7.7},"sources":[{"source":"osv","source_id":"GHSA-f4xh-w4cj-qxq8","url":"https://osv.dev/vulnerability/GHSA-f4xh-w4cj-qxq8"}],"summary":"LangSmith SDK TracingMiddleware: Arbitrary server-side file read"}