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vuln-cve/data/2026/67xxx/CVE-2026-67543.json
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{
"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": "2026-11-13T18:11:15.128Z"
},
"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 — only a 512 MB RLIMIT and a 7-key env denylist — 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"
}
},
"adp": [
{
"references": [
{
"url": "https://github.com/heymrun/heym/security/advisories/GHSA-hcv7-mg77-pg73",
"tags": [
"exploit"
]
}
],
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-11-13T18:10:52.647642Z",
"id": "CVE-2026-67543",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "no"
},
{
"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": "2026-11-13T18:11:15.128Z"
}
}
]
}
}