Medium severity · published Feb 19, 2026
CVE-2026-27009
OpenClaw affected by Stored XSS in Control UI via unsanitized assistant name/avatar in inline script injection
5.8
CVSS
0.3%
EPSS
No
On KEV
Description
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).
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:N
Attack vector
Local
Complexity
Low
Privileges
High
User interaction
Required
Confidentiality
High
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 18% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OP
openclaw · openclaw
< 2026.2.15 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-27009
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-27009
Patch
https://github.com/openclaw/openclaw/commit/3b4096e02e7e335f99f5986ec1bd566e90b14a7e
Patch
https://github.com/openclaw/openclaw/commit/adc818db4a4b3b8d663e7674ef20436947514e1b
Product
https://github.com/openclaw/openclaw/releases/tag/v2026.2.15
Exploit
https://github.com/openclaw/openclaw/security/advisories/GHSA-37gc-85xm-2ww6
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