CVE-2026-43534 OpenClaw < 2026.4.10 - Unsanitized External Input in Agent Hook Events
Attackers can inject malicious hook names into agent events to escalate privileges and execute code within the OpenClaw agent context.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-43534?
CVE-2026-43534 is a critical code injection vulnerability in Openclaw Openclaw, published on 5 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
OpenClaw before 2026.4.10 contains an input validation vulnerability that allows external hook metadata to be enqueued as trusted system events. Attackers can supply malicious hook names to escalate untrusted input into higher-trust agent context.
Weakness: CWE-345
Which versions are affected by CVE-2026-43534?
2 open source packages ship an affected version, including openclaw. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
openclaw npm | All versions | 2026.4.10 |
openclaw npm | All versions | 2026.4.10 |
Products include Openclaw Openclaw.
How do I fix CVE-2026-43534?
Upgrade openclaw to 2026.4.10 or later.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2026-43534 being exploited?
There is no known exploitation of CVE-2026-43534 in the wild and no public exploit code.
Other vulnerabilities in Openclaw Openclaw
- CVE-2026-28363 Security feature bypass in OpenClaw
- CVE-2026-30741 Code injection in n/a
- CVE-2026-33579 OpenClaw < 2026.3.28 - Privilege Escalation via Missing Caller Scope Validation in Device Pair Approval
- CVE-2026-32922 OpenClaw < 2026.3.11 - Privilege Escalation via Unvalidated Scope in device.token.rotate
- CVE-2026-32978 OpenClaw < 2026.3.11 - Approval Bypass via Unrecognized Script Runners
Sources
Also known as GHSA-7g8c-cfr3-vqqr, MINI-6mjm-gq94-45wm.