CVE-2026-41402 OpenClaw < 2026.3.31 - Webhook Replay Cache Cross-Target messageId Scope Bypass
Authenticated attackers can bypass webhook replay protection to deliver duplicate messages to unintended targets via flawed cache keying.
- 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-2026-41402?
CVE-2026-41402 is a low-severity vulnerability in Openclaw Openclaw, published on 28 Apr 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
OpenClaw before 2026.3.31 contains a scope bypass vulnerability in webhook replay cache deduplication that allows authenticated attackers to replay messages across sibling targets using the same messageId. Attackers can exploit overly broad cache keying to bypass replay protection and deliver duplicate webhook messages to unintended targets.
Weakness: CWE-706
Which versions are affected by CVE-2026-41402?
2 open source packages ship an affected version, including openclaw. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
openclaw npm | All versions | 2026.3.31 |
openclaw npm | All versions | 2026.3.31 |
Products include Openclaw Openclaw.
How do I fix CVE-2026-41402?
Upgrade openclaw to 2026.3.31 or later.
Is CVE-2026-41402 being exploited?
There is no known exploitation of CVE-2026-41402 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-hhq4-97c2-p447, MINI-rp8f-38m9-mhcv.