OpenClaw up to 2026.2.11 /agent/act missing authentication

CVSS Meta Temp Score
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CTI Interest Score
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7.1$0-$5k0.00

Summaryinfo

A vulnerability has been found in OpenClaw up to 2026.2.11 and classified as critical. Impacted is an unknown function of the file /agent/act. This manipulation causes missing authentication. This vulnerability is tracked as CVE-2026-28485. The attack is restricted to local execution. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in OpenClaw up to 2026.2.11. It has been declared as critical. Affected by this vulnerability is an unknown part of the file /agent/act. 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. The summary by CVE is:

OpenClaw versions 2026.1.5 prior to 2026.2.12 fail to enforce mandatory authentication on the /agent/act browser-control HTTP route, allowing unauthorized local callers to invoke privileged operations. Remote attackers on the local network or local processes can execute arbitrary browser-context actions and access sensitive in-session data by sending requests to unauthenticated endpoints.

It is possible to read the advisory at github.com. This vulnerability is known as CVE-2026-28485 since 02/27/2026. The exploitation appears to be easy. Attacking locally is a requirement. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 2026.2.12 eliminates this vulnerability. Applying the patch 9230a2ae14307740a13ada7afd6dcfab34e0287f 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.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 7.2
VulDB Meta Temp Score: 7.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔒

CNA Base Score: 8.4
CNA Vector (VulnCheck): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Missing authentication
CWE: CWE-306 / CWE-287
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: OpenClaw 2026.2.12
Patch: 9230a2ae14307740a13ada7afd6dcfab34e0287f

Timelineinfo

02/27/2026 CVE reserved
03/06/2026 +7 days Advisory disclosed
03/06/2026 +0 days VulDB entry created
03/11/2026 +5 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: GHSA-qpjj-47vm-64pj
Status: Confirmed

CVE: CVE-2026-28485 (🔒)
GCVE (CVE): GCVE-0-2026-28485
GCVE (VulDB): GCVE-100-349387

Entryinfo

Created: 03/06/2026 07:47
Updated: 03/11/2026 22:38
Changes: 03/06/2026 07:47 (78), 03/10/2026 14:54 (1), 03/11/2026 22:38 (11)
Complete: 🔍
Cache ID: 216::103

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