CVE-2026-28458 affects OpenClaw version 2026.1.20 and earlier, specifically within the Browser Relay's /cdp WebSocket endpoint when the extension is installed and enabled. This vulnerability, rated 8.1 HIGH, allows unauthenticated access via loopback, enabling attackers to steal session cookies and execute JavaScript in other browser tabs. While there is no known active exploitation or public exploit code, the vulnerability has garnered some community discussion, indicating awareness. Organizations using affected OpenClaw versions should prioritize updating to 2026.2.1 or later to mitigate this risk.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 2026.1.20, < 2026.2.1CPE match | cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:* |
CVSS version used by this source: 4.0
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.