OpenClaw up to 2026.5.19 /hooks/agent privileges assignment

CVSS Meta Temp Score
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CTI Interest Score
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7.1$0-$5k4.21

Summaryinfo

A vulnerability, which was classified as critical, was found in OpenClaw up to 2026.5.19. Impacted is an unknown function of the file /hooks/agent. Executing a manipulation can lead to privileges assignment. This vulnerability is registered as CVE-2026-53814. It is possible to launch the attack remotely. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in OpenClaw up to 2026.5.19. This vulnerability affects some unknown functionality of the file /hooks/agent. The manipulation with an unknown input leads to a privileges assignment vulnerability. The CWE definition for the vulnerability is CWE-266. A product incorrectly assigns a privilege to a particular actor, creating an unintended sphere of control for that actor. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

OpenClaw before 2026.5.20 contains a privilege escalation vulnerability where hook-triggered agent runs incorrectly receive owner-scoped MCP loopback authority instead of hook-appropriate scope. Attackers with a valid hook token can exploit the /hooks/agent endpoint to cause spawned CLI runtimes to access or invoke owner-only MCP tools, potentially executing privileged actions like persistent cron state modifications.

The weakness was published by Ellahi as GHSA-6fvr-66p3-3qj4. The advisory is shared for download at github.com. This vulnerability was named CVE-2026-53814 since 06/10/2026. The exploitation appears to be easy. The attack can be initiated remotely. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1068.

Upgrading to version 2026.5.20 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Name

Version

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: 7.3
VulDB Meta Temp Score: 7.1

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 8.3
CNA Vector (VulnCheck): 🔒

CVSSv2info

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

Exploitinginfo

Class: Privileges assignment
CWE: CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
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 2026.5.20

Timelineinfo

06/10/2026 CVE reserved
06/12/2026 +2 days Advisory disclosed
06/12/2026 +0 days VulDB entry created
06/12/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: GHSA-6fvr-66p3-3qj4
Researcher: Ellahi
Status: Confirmed

CVE: CVE-2026-53814 (🔒)
GCVE (CVE): GCVE-0-2026-53814
GCVE (VulDB): GCVE-100-370540

Entryinfo

Created: 06/12/2026 06:32
Changes: 06/12/2026 06:32 (77)
Complete: 🔍
Cache ID: 216::103

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