{"action":"Upgrade @github/copilot to 0.0.423 or later.","affected":[{"fixed":"0.0.423","introduced":"0"}],"component":"@github/copilot","cve_ids":["CVE-2026-29783"],"ecosystem":"npm","epss":0.00414,"exploited":false,"fixed_versions":["0.0.423"],"ghsa_id":"GHSA-g8r9-g2v8-jv6f","id":"tcs_01M5KFR1DHSWNNWQT3ZC0TH0H4","modified_at":"2026-03-13T16:36:37.972315Z","published_at":"2026-03-06T16:43:31Z","references":["https://osv.dev/vulnerability/GHSA-g8r9-g2v8-jv6f","https://github.com/github/copilot-cli/security/advisories/GHSA-g8r9-g2v8-jv6f","https://nvd.nist.gov/vuln/detail/CVE-2026-29783","https://github.com/github/copilot-cli","https://github.com/github/copilot-cli/releases/tag/v0.0.423"],"severity":{"label":"high","score":7.8},"sources":[{"source":"osv","source_id":"GHSA-g8r9-g2v8-jv6f","url":"https://osv.dev/vulnerability/GHSA-g8r9-g2v8-jv6f"},{"source":"nvd","source_id":"CVE-2026-29783","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-29783"}],"summary":"GitHub Copilot CLI Dangerous Shell Expansion Patterns Enable Arbitrary Code Execution"}