OpenClaw/Clawdbot/Moltbot up to 2026.2.14 JSON Endpoint cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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3.8$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in OpenClaw, Clawdbot and Moltbot up to 2026.2.14. This vulnerability affects unknown code of the component JSON Endpoint. Performing a manipulation results in cross site scripting. This vulnerability is identified as CVE-2026-27009. The attack is only possible with local access. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in OpenClaw, Clawdbot and Moltbot up to 2026.2.14. This affects some unknown processing of the component JSON Endpoint. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on integrity. The summary by CVE is:

OpenClaw is a personal AI assistant. Prior to version 2026.2.15, a atored XSS issue in the OpenClaw Control UI when rendering assistant identity (name/avatar) into an inline `<script>` tag without script-context-safe escaping. A crafted value containing `</script>` could break out of the script tag and execute attacker-controlled JavaScript in the Control UI origin. Version 2026.2.15 removed inline script injection and serve bootstrap config from a JSON endpoint and added a restrictive Content Security Policy for the Control UI (`script-src 'self'`, no inline scripts).

It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2026-27009 since 02/17/2026. The exploitability is told to be easy. Attacking locally is a requirement. The exploitation needs additional levels of successful authentication. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

Upgrading to version 2026.2.15 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch 3b4096e02e7e335f99f5986ec1bd566e90b14a7e 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.

The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2026-0459). Be aware that VulDB is the high quality source for vulnerability data.

Affected

  • Open Source OpenClaw

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.9
VulDB Meta Temp Score: 3.8

VulDB Base Score: 2.0
VulDB Temp Score: 1.9
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 5.8
CNA Vector (GitHub_M): 🔒

CVSSv2info

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

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Partially

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/Clawdbot/Moltbot 2026.2.15
Patch: 3b4096e02e7e335f99f5986ec1bd566e90b14a7e

Timelineinfo

02/17/2026 CVE reserved
02/20/2026 +3 days Advisory disclosed
02/20/2026 +0 days VulDB entry created
02/22/2026 +2 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: GHSA-37gc-85xm-2ww6
Status: Confirmed

CVE: CVE-2026-27009 (🔒)
GCVE (CVE): GCVE-0-2026-27009
GCVE (VulDB): GCVE-100-347031
CERT Bund: WID-SEC-2026-0459 - OpenClaw: Mehrere Schwachstellen

Entryinfo

Created: 02/20/2026 01:25
Updated: 02/22/2026 05:41
Changes: 02/20/2026 01:25 (67), 02/20/2026 05:41 (7), 02/22/2026 05:41 (1)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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