{"id":"CVE-2026-67427","state":"PUBLISHED","title":"Flyto2 Core: ${env.VAR} interpolation reads any env secret despite env.get being denylisted","description":"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.","publishedAt":"2026-07-29T18:45:47.908Z","updatedAt":"2026-07-30T15:19:17.888Z","severity":{"score":8.6,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["flytohub flyto-core"],"affected":[{"vendor":"flytohub","product":"flyto-core","versions":[{"version":"< 2.26.6","status":"affected"}]}],"references":["https://github.com/flytohub/flyto-core/security/advisories/GHSA-hr7p-wg7r-hg9m","https://github.com/flytohub/flyto-core/commit/d5f89d71303e3c1e6418d347c5c55fcd173cc8cc","https://github.com/flytohub/flyto-core/releases/tag/v2.26.6"],"weaknesses":["CWE-522","CWE-668","CWE-693"],"ingestedAt":"2026-10-29T20:12:41.951Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/67xxx/CVE-2026-67427.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-67427","state":"PUBLISHED","datePublished":"2026-07-29T18:45:47.908Z","dateUpdated":"2026-07-30T15:19:17.888Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-07-29T15:02:20.413Z"},"containers":{"cna":{"title":"Flyto2 Core: ${env.VAR} interpolation reads any env secret despite env.get being denylisted","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."}],"affected":[{"vendor":"flytohub","product":"flyto-core","versions":[{"version":"< 2.26.6","status":"affected"}]}],"references":[{"url":"https://github.com/flytohub/flyto-core/security/advisories/GHSA-hr7p-wg7r-hg9m","name":"https://github.com/flytohub/flyto-core/security/advisories/GHSA-hr7p-wg7r-hg9m","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/flytohub/flyto-core/commit/d5f89d71303e3c1e6418d347c5c55fcd173cc8cc","name":"https://github.com/flytohub/flyto-core/commit/d5f89d71303e3c1e6418d347c5c55fcd173cc8cc","tags":["x_refsource_MISC"]},{"url":"https://github.com/flytohub/flyto-core/releases/tag/v2.26.6","name":"https://github.com/flytohub/flyto-core/releases/tag/v2.26.6","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":8.6,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-522","lang":"en","description":"CWE-522: Insufficiently Protected Credentials","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-668","lang":"en","description":"CWE-668: Exposure of Resource to Wrong Sphere","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-693","lang":"en","description":"CWE-693: Protection Mechanism Failure","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-07-29T18:45:47.908Z"},"source":{"advisory":"GHSA-hr7p-wg7r-hg9m","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/flytohub/flyto-core/security/advisories/GHSA-hr7p-wg7r-hg9m","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-30T14:15:23.598359Z","id":"CVE-2026-67427","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-07-30T15:19:17.888Z"}}]}}}