{"id":"CVE-2026-14802","aliases":["CLSA-2026-1793203729","EUVD-2026-41815","GHSA-g9g6-gvq9-j4vp"],"status":"published","title":"react create-react-app react-dev-utils openBrowser.js startBrowserProcess os command injection","description":"A vulnerability was detected in react create-react-app up to 5.0.1 on macOS. This affects the function startBrowserProcess of the file openBrowser.js of the component react-dev-utils. Performing a manipulation results in os command injection. Remote exploitation of the attack is possible. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.","severity":{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.02109,"percentile":0.81914,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-77","CWE-78"],"published":"2026-07-06T06:30:08Z","modified":"2026-10-28T19:45:10Z","exploits":[{"source":"pocgithub","id":"IamDremig/CVE-2026-14802","title":"IamDremig/CVE-2026-14802","date":"2026-08-10","url":"https://github.com/IamDremig/CVE-2026-14802"}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"react-dev-utils","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"5.0.1"}]}]},{"source":"osv","ecosystem":"TuxCare:npm","package":"react-dev-utils","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.2.3-tuxcare.0"},{"fixed":"4.2.3-tuxcare.1"}]}],"versions":["4.2.3"],"bundled":2},{"source":"osv","ecosystem":"npm","package":"react-dev-utils","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"last_affected":"5.0.1"}]}]}],"products":[{"vendor":"react","product":"create-react-app"}],"references":[{"url":"https://vuldb.com/vuln/376396","tags":["vdb-entry","technical-description","advisory","web"]},{"url":"https://vuldb.com/vuln/376396/cti","tags":["signature","permissions-required","report","web"]},{"url":"https://vuldb.com/cve/CVE-2026-14802","tags":["third-party-advisory","advisory","web"]},{"url":"https://vuldb.com/submit/850857","tags":["third-party-advisory","exploit","advisory","web"]},{"url":"https://github.com/react/create-react-app/issues/17269","tags":["exploit","issue-tracking","report","web"]},{"url":"https://github.com/react/create-react-app/","tags":["product","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-14802","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-g9g6-gvq9-j4vp"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/14xxx/CVE-2026-14802.json","tags":["advisory"]},{"url":"https://github.com/react/create-react-app","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-14802","title":"react create-react-app react-dev-utils openBrowser.js startBrowserProcess os command injection","description":"A vulnerability was detected in react create-react-app up to 5.0.1 on macOS. This affects the function startBrowserProcess of the file openBrowser.js of the component react-dev-utils. Performing a manipulation results in os command injection. Remote exploitation of the attack is possible. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.","status":"published","published":"2026-07-06T06:30:08.952Z","modified":"2026-07-06T15:17:49.174Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P","level":"medium","assessor":"cna"},{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R","level":"high","assessor":"cna"},{"version":"3.0","score":7.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R","level":"high","assessor":"cna"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR","assessor":"cna"}],"cwes":["CWE-78","CWE-77"],"updated_at":"2026-11-02T13:38:43.260938Z"}],"euvd":[{"id":"EUVD-2026-41815","description":"A vulnerability was detected in react create-react-app up to 5.0.1 on macOS. This affects the function startBrowserProcess of the file openBrowser.js of the component react-dev-utils. Performing a manipulation results in os command injection. Remote exploitation of the attack is possible. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.","status":"published","published":"2026-07-06T06:30:08Z","modified":"2026-07-06T15:17:49Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P","level":"medium"}],"updated_at":"2026-11-02T18:20:13.172179Z"}],"ghsa":[{"id":"GHSA-g9g6-gvq9-j4vp","title":" react-dev-utils openBrowser permits command injection on macOS","description":"A vulnerability was detected in react create-react-app up to 5.0.1 on macOS. This affects the function startBrowserProcess of the file openBrowser.js of the component react-dev-utils. Performing a manipulation results in os command injection. Remote exploitation of the attack is possible. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.","status":"published","published":"2026-07-06T09:30:27Z","modified":"2026-10-01T21:08:57Z","cvss":[{"version":"4.0","score":5.5,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P","level":"medium"},{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high"}],"cwes":["CWE-77"],"updated_at":"2026-11-02T14:41:24.739884Z"}],"nvd":[{"id":"CVE-2026-14802","description":"A vulnerability was detected in react create-react-app up to 5.0.1 on macOS. This affects the function startBrowserProcess of the file openBrowser.js of the component react-dev-utils. Performing a manipulation results in os command injection. Remote exploitation of the attack is possible. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.","status":"published","published":"2026-07-06T08:16:35.913Z","modified":"2026-07-06T18:02:49.45Z","cvss":[{"version":"4.0","score":5.5,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high","assessor":"secondary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"secondary"}],"cwes":["CWE-77","CWE-78"],"updated_at":"2026-11-02T14:12:27.541515Z"}],"osv":[{"id":"CVE-2026-14802","title":"react create-react-app react-dev-utils openBrowser.js startBrowserProcess os command injection","description":"A vulnerability was detected in react create-react-app up to 5.0.1 on macOS. This affects the function startBrowserProcess of the file openBrowser.js of the component react-dev-utils. Performing a manipulation results in os command injection. Remote exploitation of the attack is possible. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.","status":"published","published":"2026-07-06T06:30:08.952Z","modified":"2026-10-28T02:30:29.372724971Z","cvss":[{"version":"4.0","score":5.5,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P","level":"medium"}],"cwes":["CWE-77","CWE-78"],"updated_at":"2026-11-02T15:44:57.682091Z"},{"id":"GHSA-g9g6-gvq9-j4vp","title":" react-dev-utils openBrowser permits command injection on macOS","description":"A vulnerability was detected in react create-react-app up to 5.0.1 on macOS. This affects the function startBrowserProcess of the file openBrowser.js of the component react-dev-utils. Performing a manipulation results in os command injection. Remote exploitation of the attack is possible. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.","status":"published","published":"2026-07-06T09:30:27Z","modified":"2026-10-01T21:15:05.064530826Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high"},{"version":"4.0","score":5.5,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P","level":"medium"}],"cwes":["CWE-77"],"updated_at":"2026-11-02T15:46:47.472172Z"},{"id":"CLSA-2026-1793203729","title":"TuxCare security update for react-dev-utils (2 CVEs)","description":"TuxCare rebuilt react-dev-utils to address 2 CVEs. Fixed in 4.2.3-tuxcare.1.","status":"published","published":"2026-10-28T16:08:49Z","modified":"2026-10-28T19:45:10.208601312Z","updated_at":"2026-11-02T15:43:55.669514Z"}]}}