CVE-2026-67543

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-67543", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-07-29T18:47:17.074Z", "datePublished": "2026-11-11T21:39:53.192Z", "dateUpdated": "2026-11-11T21:39:53.192Z"}, "containers": {"cna": {"title": "Heym Unsandboxed skill code execution: skills run via a local backend subprocess without the Docker isolation that Python tools mandate", "problemTypes": [{"descriptions": [{"cweId": "CWE-94", "lang": "en", "description": "CWE-94: Improper Control of Generation of Code", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-269", "lang": "en", "description": "CWE-269: Improper Privilege Management", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/heymrun/heym/security/advisories/GHSA-hcv7-mg77-pg73", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/heymrun/heym/security/advisories/GHSA-hcv7-mg77-pg73"}, {"name": "https://github.com/heymrun/heym/commit/2155057f4153a1e3a7b789d104f7fa96e92964e5", "tags": ["x_refsource_MISC"], "url": "https://github.com/heymrun/heym/commit/2155057f4153a1e3a7b789d104f7fa96e92964e5"}, {"name": "https://github.com/heymrun/heym/commit/28bb2901e4dea128ac493f67ee9478d230b7a3d7", "tags": ["x_refsource_MISC"], "url": "https://github.com/heymrun/heym/commit/28bb2901e4dea128ac493f67ee9478d230b7a3d7"}, {"name": "https://github.com/heymrun/heym/releases/tag/0.0.70", "tags": ["x_refsource_MISC"], "url": "https://github.com/heymrun/heym/releases/tag/0.0.70"}], "affected": [{"vendor": "heymrun", "product": "heym", "versions": [{"version": "< 0.0.70", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-11-11T21:39:53.192Z"}, "descriptions": [{"lang": "en", "value": "Heym builds and runs agentic systems and business-process automations on self-hosted infrastructure. Prior to version 0.0.70, heym hardens one untrusted-code path but not its sibling. The Python tool executor (python_tool_executor.py) treats user code as untrusted and mandates a Docker sandbox (no network, read-only fs, non-root, no docker socket), failing closed. The skill executor (skill_python_executor.py) runs skill Python via a local backend subprocess with no Docker isolation \u2014 only a 512 MB RLIMIT and a 7-key env denylist \u2014 so a skill executes inside the backend execution context, with filesystem access, network egress, and non-denylisted environment variables that should not be exposed to untrusted/shared skills. In the shipped Docker config (backend runs as root + /var/run/docker.sock mounted), this escalates to host root. This issue has been patched in version 0.0.70."}], "source": {"advisory": "GHSA-hcv7-mg77-pg73", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "heym", "vendor": "heymrun", "versions": [{"status": "affected", "version": "< 0.0.70"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Heym builds and runs agentic systems and business-process automations on self-hosted infrastructure. Prior to version 0.0.70, heym hardens one untrusted-code path but not its sibling. The Python tool executor (python_tool_executor.py) treats user code as untrusted and mandates a Docker sandbox (no network, read-only fs, non-root, no docker socket), failing closed. The skill executor (skill_python_executor.py) runs skill Python via a local backend subprocess with no Docker isolation \u2014 only a 512 MB RLIMIT and a 7-key env denylist \u2014 so a skill executes inside the backend execution context, with filesystem access, network egress, and non-denylisted environment variables that should not be exposed to untrusted/shared skills. In the shipped Docker config (backend runs as root + /var/run/docker.sock mounted), this escalates to host root. This issue has been patched in version 0.0.70."}], "id": "CVE-2026-67543", "lastModified": "2026-11-11T22:17:29.140", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-11-11T22:17:28.997", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/heymrun/heym/commit/2155057f4153a1e3a7b789d104f7fa96e92964e5"}, {"source": "security-advisories@github.com", "url": "https://github.com/heymrun/heym/commit/28bb2901e4dea128ac493f67ee9478d230b7a3d7"}, {"source": "security-advisories@github.com", "url": "https://github.com/heymrun/heym/releases/tag/0.0.70"}, {"source": "security-advisories@github.com", "url": "https://github.com/heymrun/heym/security/advisories/GHSA-hcv7-mg77-pg73"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-94"}, {"lang": "en", "value": "CWE-269"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,0.0.70)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "heym", "source": "cna", "vendor": "heymrun"}, "product": "heym", "vendor": "heymrun"}], "created": "2026-11-12T20:30:08.624699+00:00", "updated": "2026-11-13T07:30:12.030753+00:00", "vendors": ["heymrun", "heymrun$PRODUCT$heym"]}