CVE-2026-41395 OpenClaw < 2026.3.28 - Webhook Replay via Query Parameter Reordering in Plivo V3
Attackers can bypass replay protection by reordering query parameters, causing duplicate voice-call processing in OpenClaw.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-41395?
CVE-2026-41395 is a high-severity vulnerability in Openclaw Openclaw, published on 28 Apr 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
OpenClaw before 2026.3.28 contains a webhook replay vulnerability in Plivo V3 signature verification that canonicalizes query ordering for signatures but hashes raw URLs for replay detection. Attackers can reorder query parameters to bypass replay cache detection and trigger duplicate voice-call processing with a captured valid signed webhook.
Weakness: CWE-325
Which versions are affected by CVE-2026-41395?
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-2026-41395?
Upgrade openclaw to 2026.3.28 or later.
Is CVE-2026-41395 being exploited?
There is no known exploitation of CVE-2026-41395 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-8689-gm9g-jgr6, MINI-gq9g-pxf4-wf7g.