{"id":"CVE-2026-44466","aliases":["EUVD-2026-32940","GHSA-c99f-97vf-4h5h","UBUNTU-CVE-2026-44466"],"status":"published","title":"Zed: Allowlist Bypass via Bash Arithmetic Expansion in Terminal Tool Permissions","description":"Zed is a code editor. Prior to 0.229.0, Zed's terminal tool permission system can be bypassed via bash arithmetic expansion $((...)), allowing execution of arbitrary commands nested inside an allowlisted command like echo. This vulnerability is fixed in 0.229.0.","severity":{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00283,"percentile":0.21069,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-78"],"published":"2026-05-28T16:16:05Z","modified":"2026-10-28T02:30:49Z","affected":[{"source":"osv","ecosystem":"Ubuntu:25.10","package":"zed","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.2.3-1build4","3.2.3-1build5","3.2.3-1build6"]}],"products":[{"vendor":"zed","product":"zed"},{"vendor":"zed-industries","product":"zed"}],"references":[{"url":"https://github.com/zed-industries/zed/security/advisories/GHSA-c99f-97vf-4h5h","tags":["x_refsource_CONFIRM","exploit","Exploit","Vendor Advisory","advisory","report"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/44xxx/CVE-2026-44466.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-44466","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-44466","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-44466","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-44466","title":"Zed: Allowlist Bypass via Bash Arithmetic Expansion in Terminal Tool Permissions","description":"Zed is a code editor. Prior to 0.229.0, Zed's terminal tool permission system can be bypassed via bash arithmetic expansion $((...)), allowing execution of arbitrary commands nested inside an allowlisted command like echo. This vulnerability is fixed in 0.229.0.","status":"published","published":"2026-05-28T16:16:05.409Z","modified":"2026-05-29T15:15:18.57Z","cvss":[{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T13:43:00.288193Z"}],"euvd":[{"id":"EUVD-2026-32940","description":"Zed is a code editor. Prior to 0.229.0, Zed's terminal tool permission system can be bypassed via bash arithmetic expansion $((...)), allowing execution of arbitrary commands nested inside an allowlisted command like echo. This vulnerability is fixed in 0.229.0.","status":"published","published":"2026-05-28T16:16:05Z","modified":"2026-05-29T15:15:18Z","cvss":[{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T18:21:00.772434Z"}],"nvd":[{"id":"CVE-2026-44466","description":"Zed is a code editor. Prior to 0.229.0, Zed's terminal tool permission system can be bypassed via bash arithmetic expansion $((...)), allowing execution of arbitrary commands nested inside an allowlisted command like echo. This vulnerability is fixed in 0.229.0.","status":"published","published":"2026-05-28T17:16:30.317Z","modified":"2026-06-17T10:50:41.03Z","cvss":[{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:12:21.244426Z"}],"osv":[{"id":"CVE-2026-44466","title":"Zed: Allowlist Bypass via Bash Arithmetic Expansion in Terminal Tool Permissions","description":"Zed is a code editor. Prior to 0.229.0, Zed's terminal tool permission system can be bypassed via bash arithmetic expansion $((...)), allowing execution of arbitrary commands nested inside an allowlisted command like echo. This vulnerability is fixed in 0.229.0.","status":"published","published":"2026-05-28T16:16:05.409Z","modified":"2026-10-28T02:30:49.059643348Z","cvss":[{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T15:45:04.820169Z"},{"id":"UBUNTU-CVE-2026-44466","description":"Zed is a code editor. Prior to 0.229.0, Zed's terminal tool permission system can be bypassed via bash arithmetic expansion $((...)), allowing execution of arbitrary commands nested inside an allowlisted command like echo. This vulnerability is fixed in 0.229.0.","status":"published","published":"2026-05-28T17:16:00Z","modified":"2026-08-17T19:01:49.920229727Z","cvss":[{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T16:56:22.075798Z"}]}}