{
"id": "GHSA-h3mc-9q4p-46jg",
"aliases": [
"CVE-2026-82278"
],
"details": "BISHENG before 2.6.0 contains a remote code execution vulnerability in the workflow run_once endpoint that allows authenticated users to execute arbitrary Python code. Attackers can submit crafted Code node definitions to the POST /api/v1/workflow/run_once endpoint, which executes them with exec() without sandboxing, gaining access to filesystem, credentials, and internal network resources.",
"affected": [],
"modified": "2026-08-28T21:31:26Z",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X"
}
],
"published": "2026-08-28T21:31:26Z",
"references": [
{
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-82278",
"type": "ADVISORY"
},
{
"url": "https://github.com/dataelement/bisheng/issues/2189",
"type": "WEB"
},
{
"url": "https://github.com/dataelement/bisheng",
"type": "WEB"
},
{
"url": "https://github.com/dataelement/bisheng/blob/v2.4.0/src/backend/bisheng/api/services/workflow.py",
"type": "WEB"
},
{
"url": "https://www.vulncheck.com/advisories/bisheng-authenticated-arbitrary-python-code-execution-via-workflow-run-once",
"type": "WEB"
}
],
"schema_version": "1.4.0",
"database_specific": {
"cwe_ids": [
"CWE-94"
],
"severity": "HIGH",
"github_reviewed": false,
"nvd_published_at": "2026-08-28T20:20:18Z",
"github_reviewed_at": null
}
}