Host exec env override sanitization did not fail closed for several package-manager and related redirect variables that can steer dependency fetches or startup behavior.
An approved exec request could silently redirect package resolution or runtime bootstrap to attacker-controlled infrastructure and execute trojanized content.
src/infra/host-env-security-policy.json, src/infra/host-env-security.ts
< 2026.3.22>= 2026.3.22Fixed by commit 7abfff756d (Exec: harden host env override handling across gateway and node).
{
"cwe_ids": [
"CWE-183"
],
"github_reviewed": true,
"github_reviewed_at": "2026-03-31T23:59:36Z",
"nvd_published_at": "2026-04-28T19:37:41Z",
"severity": "HIGH"
}