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BREW-openclaw-cli-CVE-2026-45002 — OpenClaw: Hook mapping templates could bypass hook session-key opt-in

Affected: Homebrew: openclaw-cli

## Affected Packages / Versions

- Package: `openclaw` (npm) - Affected versions: `< 2026.4.20` - Patched version: `2026.4.20`

## Impact

Templated hook mapping `sessionKey` values were treated differently from request-supplied session keys. A hook mapping could render an externally influenced session key even when `hooks.allowRequestSessionKey` was disabled, bypassing the intended routing opt-in for hook callers.

This affects webhook routing isolation. It does not grant host execution by itself. Severity is medium.

## Fix

Template-rendered mapping session keys are now treated as externally supplied routing input and require `hooks.allowRequestSessionKey=true` plus the existing prefix policy checks.

Fix commit:

- `5275d008ed33203dba3f98e969ad683a65c416c3`

## Release

Fixed in OpenClaw `2026.4.20`.

cnvd-2026-22302

EUVD-2026-310741

fkie_cve-2026-45002

OpenClaw before 2026.4.20 contains a hook session-key bypass vulnerability that allows attackers to circumvent the hooks.allowRequestSessionKey opt-in restriction. Attackers can render externally influenced session keys through templated hook mappings to bypass webhook routing isolation controls.

GHSA-2xcp-x87w-q377 — OpenClaw: Hook mapping templates could bypass hook session-key opt-in

Affected: npm: openclaw