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BREW-openclaw-cli-CVE-2026-43584 — OpenClaw: Exec environment denylist missed high-risk interpreter startup variables

Affected: Homebrew: openclaw-cli

## Summary

Exec environment denylist missed high-risk interpreter startup variables.

## Affected Packages / Versions

- Package: `openclaw` - Ecosystem: npm - Affected versions: `< 2026.4.10` - Patched versions: `>= 2026.4.10`

## Impact

The exec environment policy missed interpreter startup variables such as `VIMINIT`, `EXINIT`, `LUA_INIT`, and `HOSTALIASES`, allowing operator-supplied environment overrides to influence downstream execution or network behavior.

## Technical Details

The fix expands the host environment security policy denylist to cover these and related high-risk environment variables, with regression coverage.

## Fix

The issue was fixed in #63277. The first stable tag containing the fix is `v2026.4.10`, and `openclaw@2026.4.14` includes the fix.

## Fix Commit(s)

- `2d126fc62343a7b6895351f96e4e1474bc358140` - PR: #63277

## Release Process Note

Users should upgrade to `openclaw` 2026.4.10 or newer. The latest npm release, `2026.4.14`, already includes the fix.

## Credits

Thanks to @feiyang666 of Tencent zhuque Lab (https://github.com/Tencent/AI-Infra-Guard) for reporting this issue.

EUVD-2026-309045

fkie_cve-2026-43584

OpenClaw before 2026.4.10 contains an insufficient environment variable denylist vulnerability in its exec environment policy that allows operator-supplied overrides of high-risk interpreter startup variables including VIMINIT, EXINIT, LUA_INIT, and HOSTALIASES. Attackers can exploit this by manipulating these environment variables to influence downstream execution behavior or network connectivity.

GHSA-vfp4-8x56-j7c5 — OpenClaw: Exec environment denylist missed high-risk interpreter startup variables

Affected: npm: openclaw