CVE-2026-41372: OpenClaw < 2026.4.2 - Loopback Protection Bypass via Trailing-Dot Localhost in CDP Discovery
OpenClaw before 2026.4.2 fails to normalize trailing-dot localhost hosts in remote CDP discovery responses, allowing bypass of loopback protections. Attackers can craft hostile discovery responses returning localhost. to retarget authenticated browser control toward localhost endpoints and expose browser state.
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of CVE-2026-41372?
CVE-2026-41372 is classified as a medium severity vulnerability due to its potential impact on loopback protection mechanisms.
How do I fix CVE-2026-41372?
To fix CVE-2026-41372, upgrade OpenClaw to version 2026.4.2 or later where the vulnerability has been addressed.
What systems are affected by CVE-2026-41372?
CVE-2026-41372 affects OpenClaw versions prior to 2026.4.2 that perform remote CDP discovery.
What are the risks of CVE-2026-41372?
The risks associated with CVE-2026-41372 include potential exploitation by attackers to bypass local loopback protections.
What is the nature of the vulnerability in CVE-2026-41372?
CVE-2026-41372 is a loopback protection bypass vulnerability that occurs due to unnormalized trailing-dot localhost hosts in CDP discovery responses.