{"action":"Upgrade anthropic to 0.87.0 or later.","affected":[{"fixed":"0.87.0","introduced":"0.86.0"}],"component":"anthropic","cve_ids":["CVE-2026-34450"],"ecosystem":"PyPI","epss":0.00122,"exploited":false,"fixed_versions":["0.87.0"],"ghsa_id":"GHSA-q5f5-3gjm-7mfm","id":"tcs_01M5KFVCBCVPAFRZMN6S8SXE4J","modified_at":"2026-09-10T03:51:02.766471330Z","published_at":"2026-04-01T21:15:30Z","references":["https://osv.dev/vulnerability/GHSA-q5f5-3gjm-7mfm","https://github.com/anthropics/anthropic-sdk-python/security/advisories/GHSA-q5f5-3gjm-7mfm","https://nvd.nist.gov/vuln/detail/CVE-2026-34450","https://github.com/anthropics/anthropic-sdk-python/commit/715030ceb4d6dd8d3546e999c680e29532bf1255","https://github.com/anthropics/anthropic-sdk-python","https://github.com/anthropics/anthropic-sdk-python/releases/tag/v0.87.0"],"severity":{"label":"medium"},"sources":[{"source":"osv","source_id":"GHSA-q5f5-3gjm-7mfm","url":"https://osv.dev/vulnerability/GHSA-q5f5-3gjm-7mfm"}],"summary":"Claude SDK for Python has Insecure Default File Permissions in Local Filesystem Memory Tool"}