{"id":"CVE-2026-19593","state":"PUBLISHED","title":"OpenAI Codex Desktop for Windows and macOS automatically inspected Git metadata and working-tree status when a user opened a workspace. If the workspace contains a repository with ","description":"OpenAI Codex Desktop for Windows and macOS automatically inspected Git metadata and working-tree status when a user opened a workspace. If the workspace contains a repository with preserved attacker-controlled .git/config, the attr.tree setting and a configured clean or process filter can cause Git to run an attacker-controlled program. The program runs outside Codex's command sandbox with the signed-in user's privileges, without a workspace-trust prompt, command approval, or interaction with a model. The attacker can read, modify, or delete files and access credentials available to that user. Exploitation requires Git to be available on PATH and the user to open the attacker-prepared repository with its local Git configuration intact. An ordinary Git clone does not copy the source repository's .git/config and is not sufficient by itself.","publishedAt":"2026-09-01T17:10:24.909Z","updatedAt":"2026-10-15T16:39:37.880Z","severity":{"score":9.8,"label":"Critical","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","source":"CISA-ADP"},"assigner":"OAI","products":["OpenAI Codex Desktop","OpenAI Codex Desktop (Microsoft Store package)"],"affected":[{"vendor":"OpenAI","product":"Codex Desktop","versions":[{"version":"260202.0859","status":"affected","lessThanOrEqual":"26.513.31313","versionType":"custom"},{"version":"26.519.22136","status":"unaffected"}],"platforms":["macOS"]},{"vendor":"OpenAI","product":"Codex Desktop","versions":[{"version":"26.304.38","status":"affected","lessThanOrEqual":"26.513.40821","versionType":"custom"},{"version":"26.519.21041","status":"unaffected"}],"platforms":["Windows"]},{"vendor":"OpenAI","product":"Codex Desktop (Microsoft Store package)","versions":[{"version":"26.304.38.0","status":"affected","lessThanOrEqual":"26.513.4821.0","versionType":"custom"},{"version":"26.519.2081.0","status":"unaffected"}],"platforms":["Windows"]}],"references":["https://www.zerodayinitiative.com/advisories/ZDI-26-651/"],"weaknesses":["CWE-15"],"ingestedAt":"2026-10-29T20:11:10.572Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/19xxx/CVE-2026-19593.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-19593","state":"PUBLISHED","datePublished":"2026-09-01T17:10:24.909Z","dateUpdated":"2026-10-15T16:39:37.880Z","assignerShortName":"OAI","assignerOrgId":"8f4f43ab-ba69-4d92-aa1d-d772184d6fb7","dateReserved":"2026-08-12T03:54:42.487Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"OpenAI Codex Desktop for Windows and macOS automatically inspected Git metadata and working-tree status when a user opened a workspace. If the workspace contains a repository with preserved attacker-controlled .git/config, the attr.tree setting and a configured clean or process filter can cause Git to run an attacker-controlled program. The program runs outside Codex's command sandbox with the signed-in user's privileges, without a workspace-trust prompt, command approval, or interaction with a model. The attacker can read, modify, or delete files and access credentials available to that user. Exploitation requires Git to be available on PATH and the user to open the attacker-prepared repository with its local Git configuration intact. An ordinary Git clone does not copy the source repository's .git/config and is not sufficient by itself."}],"affected":[{"vendor":"OpenAI","product":"Codex Desktop","versions":[{"version":"260202.0859","status":"affected","lessThanOrEqual":"26.513.31313","versionType":"custom"},{"version":"26.519.22136","status":"unaffected"}],"platforms":["macOS"]},{"vendor":"OpenAI","product":"Codex Desktop","versions":[{"version":"26.304.38","status":"affected","lessThanOrEqual":"26.513.40821","versionType":"custom"},{"version":"26.519.21041","status":"unaffected"}],"platforms":["Windows"]},{"vendor":"OpenAI","product":"Codex Desktop (Microsoft Store package)","versions":[{"version":"26.304.38.0","status":"affected","lessThanOrEqual":"26.513.4821.0","versionType":"custom"},{"version":"26.519.2081.0","status":"unaffected"}],"platforms":["Windows"]}],"references":[{"url":"https://www.zerodayinitiative.com/advisories/ZDI-26-651/"}],"problemTypes":[{"descriptions":[{"cweId":"CWE-15","lang":"en","description":"CWE-15: External Control of System or Configuration Setting","type":"CWE"}]}],"providerMetadata":{"shortName":"OAI","orgId":"8f4f43ab-ba69-4d92-aa1d-d772184d6fb7","dateUpdated":"2026-10-15T16:39:37.880Z"},"credits":[{"lang":"en","value":"Satoki Tsuji (@satoki00) / Ikotas Labs, Inc."}],"configurations":[{"lang":"en","value":"macOS or Windows with Git available on PATH and an attacker-supplied workspace preserving attacker-controlled .git/config, Git attributes, and clean or process filter settings. The app-side Git worker executes the helper outside Codex's command sandbox without a workspace-trust prompt or command approval. A normal Git clone does not preserve the source repository's local .git/config."}],"solutions":[{"lang":"en","value":"Update Codex Desktop for macOS to application version 26.519.22136 or later, or Codex Desktop for Windows to application version 26.519.21041 (Microsoft Store package 26.519.2081.0) or later."}],"workarounds":[{"lang":"en","value":"Until updated, do not open attacker-supplied workspace folders that retain untrusted .git metadata."}],"x_generator":{"engine":"cvelib 1.8.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":9.8,"attackVector":"NETWORK","baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-09-02T17:19:21.924083Z","id":"CVE-2026-19593","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-02T17:19:30.681Z"}}]}}}