Feishu upload path resolution could read files outside the configured localRoots sandbox before handing them to the upload path.
A tool caller constrained to workspace or localRoots paths could exfiltrate arbitrary host files through Feishu upload actions.
extensions/feishu/src/docx.ts
>= 2026.2.6, <= 2026.3.24>= 2026.3.282026.3.28 contains the fix.Fixed by commit 764394c78b (fix: enforce localRoots sandbox on Feishu docx upload file reads).
{
"github_reviewed": true,
"cwe_ids": [
"CWE-22",
"CWE-863"
],
"nvd_published_at": null,
"github_reviewed_at": "2026-03-31T23:53:00Z",
"severity": "MODERATE"
}