CVE-2026-67427

{"id": "CVE-2026-67427", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-67427", "role": "CISA Coordinator", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-07-30T14:15:23.598359Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 8.6, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 4.0, "exploitabilityScore": 3.9}]}, "affected": [{"source": "security-advisories@github.com", "affectedData": [{"vendor": "flytohub", "product": "flyto-core", "versions": [{"status": "affected", "version": "< 2.26.6"}]}]}], "published": "2026-07-29T19:16:51.913", "references": [{"url": "https://github.com/flytohub/flyto-core/commit/d5f89d71303e3c1e6418d347c5c55fcd173cc8cc", "source": "security-advisories@github.com"}, {"url": "https://github.com/flytohub/flyto-core/releases/tag/v2.26.6", "source": "security-advisories@github.com"}, {"url": "https://github.com/flytohub/flyto-core/security/advisories/GHSA-hr7p-wg7r-hg9m", "source": "security-advisories@github.com"}, {"url": "https://github.com/flytohub/flyto-core/security/advisories/GHSA-hr7p-wg7r-hg9m", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-522"}, {"lang": "en", "value": "CWE-668"}, {"lang": "en", "value": "CWE-693"}]}], "descriptions": [{"lang": "en", "value": "Flyto2 Core is an execution kernel for automation and AI-agent workflows. Prior to 2.26.6, the workflow engine variable resolver expands ${env.VAR} for any host environment variable without an allowlist or capability policy check, allowing a workflow parameter to bypass the default capability policy denylist for env.get and env.load_dotenv and exfiltrate secrets through allowed modules. This issue is fixed in version 2.26.6."}], "lastModified": "2026-07-30T19:27:35.030", "sourceIdentifier": "security-advisories@github.com"}