{"id":"CVE-2026-44466","state":"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.","publishedAt":"2026-05-28T16:16:05.409Z","updatedAt":"2026-05-29T15:15:18.570Z","severity":{"score":8.6,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["zed-industries zed"],"affected":[{"vendor":"zed-industries","product":"zed","versions":[{"version":"< 0.229.0","status":"affected"}]}],"references":["https://github.com/zed-industries/zed/security/advisories/GHSA-c99f-97vf-4h5h"],"weaknesses":["CWE-78"],"ingestedAt":"2026-10-29T20:11:57.932Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/44xxx/CVE-2026-44466.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-44466","state":"PUBLISHED","datePublished":"2026-05-28T16:16:05.409Z","dateUpdated":"2026-05-29T15:15:18.570Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-05-06T15:49:25.193Z"},"containers":{"cna":{"title":"Zed: Allowlist Bypass via Bash Arithmetic Expansion in Terminal Tool Permissions","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."}],"affected":[{"vendor":"zed-industries","product":"zed","versions":[{"version":"< 0.229.0","status":"affected"}]}],"references":[{"url":"https://github.com/zed-industries/zed/security/advisories/GHSA-c99f-97vf-4h5h","name":"https://github.com/zed-industries/zed/security/advisories/GHSA-c99f-97vf-4h5h","tags":["x_refsource_CONFIRM"]}],"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"}}],"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"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-05-28T16:16:05.409Z"},"source":{"advisory":"GHSA-c99f-97vf-4h5h","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","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"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-05-29T15:15:18.570Z"}}]}}}