CVE-2026-41299 OpenClaw < 2026.3.28 - Client Identity Spoofing in chat.send Gateway Provenance Guard
Authenticated operators can spoof ACP identity labels and inject reserved provenance fields by manipulating WebSocket handshake metadata, bypassing authorization checks.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-41299?
CVE-2026-41299 is a high-severity authentication bypass vulnerability in Openclaw Openclaw, published on 20 Apr 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
OpenClaw before 2026.3.28 contains an authorization bypass vulnerability in the chat.send gateway method where ACP-only provenance fields are gated by self-declared client metadata from WebSocket handshake rather than verified authorization state. Authenticated operator clients can spoof ACP identity labels and inject reserved provenance fields intended only for the ACP bridge by manipulating client metadata during connection.
Weakness: CWE-807
Which versions are affected by CVE-2026-41299?
2 open source packages ship an affected version, including openclaw. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
openclaw npm | All versions | 2026.3.28 |
openclaw npm | All versions | 2026.3.28 |
Products include Openclaw Openclaw.
How do I fix CVE-2026-41299?
Upgrade openclaw to 2026.3.28 or later.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-41299 being exploited?
There is no known exploitation of CVE-2026-41299 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-6xg4-82hv-cp6f, MINI-7q2f-cjpx-rcvv.