Authorization Bypass Through User-Controlled Key Affecting openclaw package, versions <2026.2.12
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published18 Feb 2026
- disclosed17 Feb 2026
- creditAlperen
Introduced: 17 Feb 2026
NewCVE-2026-28475 (opens in a new tab)How to fix?
Upgrade openclaw to version 2026.2.12 or higher.
Overview
openclaw is a 🦞 OpenClaw — Personal AI Assistant
Affected versions of this package are vulnerable to Authorization Bypass Through User-Controlled Key via the sessionKey parameter in the POST /hooks/agent endpoint. An attacker can inject messages or prompts into arbitrary sessions by supplying a crafted sessionKey value, provided they possess a valid hook token and can derive or guess valid session keys.
Workaround
This vulnerability can be mitigated by disabling request-selected session keys (set hooks.allowRequestSessionKey to false) and restricting allowed session key prefixes.