Code Injection in OpenClaw - CVE-2026-27165
Published: May 4, 2026
Vulnerability identifier: #VU129410
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-27165
CWE-ID: CWE-94
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to inject attacker-controlled prompt text into the LLM context.
The vulnerability exists due to improper input validation in src/acp/event-mapper.ts when interpolating ACP resource_link metadata into prompt text. A remote attacker can supply crafted title or uri fields to inject attacker-controlled prompt text into the LLM context.
Affected software
OpenClaw
How to mitigate CVE-2026-27165
Install security update from vendor's website.
OpenClaw - update to 2026.2.21