CVE-2026-41372 OpenClaw < 2026.4.2 - Loopback Protection Bypass via Trailing-Dot Localhost in CDP Discovery
Attackers can bypass loopback protections in OpenClaw by exploiting trailing-dot localhost handling, exposing authenticated browser state.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-41372?
CVE-2026-41372 is a medium-severity vulnerability in Openclaw Openclaw, published on 27 Apr 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-639
Which versions are affected by CVE-2026-41372?
2 open source packages ship an affected version, including openclaw. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
openclaw npm | All versions | 2026.4.2 |
openclaw npm | All versions | 2026.4.2 |
Products include Openclaw Openclaw.
How do I fix CVE-2026-41372?
Upgrade openclaw to 2026.4.2 or later.
Is CVE-2026-41372 being exploited?
There is no known exploitation of CVE-2026-41372 in the wild and no public exploit code.
Other vulnerabilities in Openclaw Openclaw
- CVE-2026-28363 Security feature bypass in OpenClaw
- CVE-2026-30741 Code injection in n/a
- CVE-2026-33579 OpenClaw < 2026.3.28 - Privilege Escalation via Missing Caller Scope Validation in Device Pair Approval
- CVE-2026-32922 OpenClaw < 2026.3.11 - Privilege Escalation via Unvalidated Scope in device.token.rotate
- CVE-2026-32978 OpenClaw < 2026.3.11 - Approval Bypass via Unrecognized Script Runners
Sources
Also known as GHSA-fh32-73r9-rgh5, MINI-hjgh-jg7v-8xhw, MINI-w8p7-6g75-2gw8.