{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-44466","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-05-06T15:49:25.193Z","datePublished":"2026-05-28T16:16:05.409Z","dateUpdated":"2026-05-29T15:15:18.570Z"},"containers":{"cna":{"title":"Zed: Allowlist Bypass via Bash Arithmetic Expansion in Terminal Tool Permissions","problemTypes":[{"descriptions":[{"cweId":"CWE-78","lang":"en","description":"CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')","type":"CWE"}]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":8.6,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","version":"3.1"}}],"references":[{"name":"https://github.com/zed-industries/zed/security/advisories/GHSA-c99f-97vf-4h5h","tags":["x_refsource_CONFIRM"],"url":"https://github.com/zed-industries/zed/security/advisories/GHSA-c99f-97vf-4h5h"}],"affected":[{"vendor":"zed-industries","product":"zed","versions":[{"version":"< 0.229.0","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-05-28T16:16:05.409Z"},"descriptions":[{"lang":"en","value":"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."}],"source":{"advisory":"GHSA-c99f-97vf-4h5h","discovery":"UNKNOWN"}},"adp":[{"references":[{"url":"https://github.com/zed-industries/zed/security/advisories/GHSA-c99f-97vf-4h5h","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-29T03:56:03.663322Z","id":"CVE-2026-44466","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-05-29T15:15:18.570Z"}}]}}