OpenClaw up to 2026.2.1 Gateway WebSocket Connect Handshake missing authentication
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 9.1 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as critical, was found in OpenClaw up to 2026.2.1. Affected by this issue is some unknown functionality of the component Gateway WebSocket Connect Handshake. Executing a manipulation can lead to missing authentication. This vulnerability is tracked as CVE-2026-28472. The attack can be launched remotely. No exploit exists. You should upgrade the affected component.
Details
A vulnerability classified as very critical was found in OpenClaw up to 2026.2.1. This vulnerability affects some unknown functionality of the component Gateway WebSocket Connect Handshake. The manipulation with an unknown input leads to a missing authentication vulnerability. The CWE definition for the vulnerability is CWE-306. The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:
OpenClaw versions prior to 2026.2.2 contain a vulnerability in the gateway WebSocket connect handshake in which it allows skipping device identity checks when auth.token is present but not validated. Attackers can connect to the gateway without providing device identity or pairing by exploiting the presence check instead of validation, potentially gaining operator access in vulnerable deployments.
The advisory is shared for download at github.com. This vulnerability was named CVE-2026-28472 since 02/27/2026. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 03/10/2026).
Upgrading to version 2026.2.2 eliminates this vulnerability. Applying the patch fe81b1d7125a014b8280da461f34efbf5f761575 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.
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Product
Type
Name
Version
License
Website
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒
CVSSv3
VulDB Meta Base Score: 9.2VulDB Meta Temp Score: 9.1
VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔒
VulDB Reliability: 🔍
NVD Base Score: 9.8
NVD Vector: 🔒
CNA Base Score: 8.1
CNA Vector (VulnCheck): 🔒
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Missing authenticationCWE: CWE-306 / CWE-287
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Status: Not defined
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔒
Upgrade: OpenClaw 2026.2.2
Patch: fe81b1d7125a014b8280da461f34efbf5f761575
Timeline
02/27/2026 CVE reserved03/06/2026 Advisory disclosed
03/06/2026 VulDB entry created
03/10/2026 VulDB entry last update
Sources
Product: github.comAdvisory: GHSA-rv39-79c4-7459
Status: Confirmed
CVE: CVE-2026-28472 (🔒)
GCVE (CVE): GCVE-0-2026-28472
GCVE (VulDB): GCVE-100-349372
Entry
Created: 03/06/2026 07:44Updated: 03/10/2026 14:54
Changes: 03/06/2026 07:44 (78), 03/08/2026 01:07 (4), 03/10/2026 14:54 (12)
Complete: 🔍
Cache ID: 216::103
Once again VulDB remains the best source for vulnerability data.
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