{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-12537","assignerOrgId":"f45cbf4e-4146-4068-b7e1-655ffc2c548c","state":"PUBLISHED","assignerShortName":"GoogleCloud","dateReserved":"2026-06-17T15:08:00.562Z","datePublished":"2026-06-24T13:37:21.872Z","dateUpdated":"2026-06-24T13:53:24.904Z"},"containers":{"cna":{"providerMetadata":{"orgId":"f45cbf4e-4146-4068-b7e1-655ffc2c548c","shortName":"GoogleCloud","dateUpdated":"2026-06-24T13:37:21.872Z"},"title":"Unauthenticated Remote Code Execution in Gemini CLI CI/CD Workflows","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-20","description":"CWE-20 Improper Input Validation","type":"CWE"}]}],"impacts":[{"capecId":"CAPEC-88","descriptions":[{"lang":"en","value":"CAPEC-88 OS Command Injection"}]}],"affected":[{"vendor":"Google Cloud","product":"Gemini CLI","versions":[{"status":"affected","version":"0","lessThan":"0.39.1","versionType":"custom"}],"defaultStatus":"unaffected"},{"vendor":"Google Cloud","product":"run-gemini-cli GitHub Action","versions":[{"status":"affected","version":"0","lessThan":"0.1.22","versionType":"custom"}],"defaultStatus":"unaffected"}],"descriptions":[{"lang":"en","value":"Improper Neutralization used in an OS Command in the container launcher in Google Gemini CLI (versions prior to 0.39.1) and run-gemini-cli GitHub Action (versions prior to 0.1.22) on headless CI platforms allows an unprivileged attacker to achieve pre-sandbox host-level code execution a maliciously crafted .gemini/.env file.","supportingMedia":[{"type":"text/html","base64":false,"value":"Improper Neutralization used in an OS Command in the container launcher in Google Gemini CLI (versions prior to 0.39.1) and run-gemini-cli GitHub Action (versions prior to 0.1.22) on headless CI platforms allows an unprivileged attacker to achieve pre-sandbox host-level code execution a maliciously crafted .gemini/.env file."}]}],"references":[{"url":"https://github.com/google-github-actions/run-gemini-cli/security/advisories/GHSA-wpqr-6v78-jr5g"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","subConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","subIntegrityImpact":"HIGH","vulnAvailabilityImpact":"HIGH","subAvailabilityImpact":"HIGH","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"CLEAR","version":"4.0","baseSeverity":"CRITICAL","baseScore":10,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/U:Clear"}}],"solutions":[{"lang":"en","value":"Ensure you are using the latest version of gemini cli and follow the  best practices guide https://github.com/google-github-actions/run-gemini-cli/blob/main/docs/trust-guidance.md .","supportingMedia":[{"type":"text/html","base64":false,"value":"Ensure you are using the latest version of gemini cli and follow the <a href=\"https://github.com/google-github-actions/run-gemini-cli/blob/main/docs/trust-guidance.md\">best practices guide</a>."}]}],"credits":[{"lang":"en","value":"Elad Meged of Novee Security","type":"reporter"},{"lang":"en","value":"Devansh Batham","type":"reporter"}],"source":{"discovery":"EXTERNAL"},"x_generator":{"engine":"Vulnogram 1.0.2"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-06-24T13:52:11.782979Z","id":"CVE-2026-12537","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"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":"2026-06-24T13:53:24.904Z"}}]}}