{"api_version":"1","generated_at":"2026-06-03T18:16:43+00:00","cve":"CVE-2026-44466","urls":{"html":"https://cve.report/CVE-2026-44466","api":"https://cve.report/api/cve/CVE-2026-44466.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-44466","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-44466"},"summary":{"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.","state":"PUBLISHED","assigner":"GitHub_M","published_at":"2026-05-28 17:16:30","updated_at":"2026-06-02 20:14:36"},"problem_types":["CWE-78","CWE-78 CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')"],"metrics":[{"version":"3.1","source":"security-advisories@github.com","type":"Secondary","score":"8.6","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","baseScore":8.6,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"DECLARED","score":"8.6","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","data":{"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":[{"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","refsource":"134c704f-9b21-4f2e-91b3-4a467353bcc0","tags":["Exploit","Vendor Advisory"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-44466","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-44466","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"zed-industries","product":"zed","version":"affected < 0.229.0","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2026","cve_id":"44466","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"zed","cpe5":"zed","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"44466","cve":"CVE-2026-44466","epss":"0.000230000","percentile":"0.068590000","score_date":"2026-06-02","updated_at":"2026-06-03 00:08:15"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"metrics":[{"other":{"content":{"id":"CVE-2026-44466","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","timestamp":"2026-05-29T03:56:03.663322Z","version":"2.0.3"},"type":"ssvc"}}],"providerMetadata":{"dateUpdated":"2026-05-29T15:15:18.570Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"references":[{"tags":["exploit"],"url":"https://github.com/zed-industries/zed/security/advisories/GHSA-c99f-97vf-4h5h"}],"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"product":"zed","vendor":"zed-industries","versions":[{"status":"affected","version":"< 0.229.0"}]}],"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."}],"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","description":"CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-05-28T16:16:05.409Z","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M"},"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"}],"source":{"advisory":"GHSA-c99f-97vf-4h5h","discovery":"UNKNOWN"},"title":"Zed: Allowlist Bypass via Bash Arithmetic Expansion in Terminal Tool Permissions"}},"cveMetadata":{"assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","assignerShortName":"GitHub_M","cveId":"CVE-2026-44466","datePublished":"2026-05-28T16:16:05.409Z","dateReserved":"2026-05-06T15:49:25.193Z","dateUpdated":"2026-05-29T15:15:18.570Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-05-28 17:16:30","lastModifiedDate":"2026-06-02 20:14:36","problem_types":["CWE-78","CWE-78 CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')"],"metrics":{"cvssMetricV31":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","baseScore":8.6,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":6}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:zed:zed:*:*:*:*:*:*:*:*","versionEndExcluding":"0.229.0","matchCriteriaId":"43FFFCD4-1330-4357-8965-5097F95B7B98"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"44466","Ordinal":"1","Title":"Zed: Allowlist Bypass via Bash Arithmetic Expansion in Terminal ","CVE":"CVE-2026-44466","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"44466","Ordinal":"1","NoteData":"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.","Type":"Description","Title":"Zed: Allowlist Bypass via Bash Arithmetic Expansion in Terminal "}]}}}