CVE-2026-28395
OpenClaw's Chrome extension relay binds publicly due to wildcard treated as loopback
Severity by source
Trivy's own label is CRITICAL. Rated critical by NVD. Rated lower by GHSA (medium).
Description
OpenClaw version 2026.1.14-1 prior to 2026.2.12 contains an improper network binding vulnerability in the Chrome extension (must be installed and enabled) relay server that treats wildcard hosts as loopback addresses, allowing the relay HTTP/WS server to bind to all interfaces when a wildcard cdpUrl is configured. Remote attackers can access relay HTTP endpoints off-host to leak service presence and port information, or conduct denial-of-service and brute-force attacks against the relay token header.
Affected packages and fixed versions
| Source | Package | Fixed in |
|---|---|---|
| npm::GitHub Security Advisory npm | openclaw | 2026.2.12 |
References
- https://github.com/openclaw/openclaw
- https://github.com/openclaw/openclaw/commit/8d75a496bf5aaab1755c56cf48502d967c75a1d0
- https://github.com/openclaw/openclaw/commit/a1e89afcc19efd641c02b24d66d689f181ae2b5c
- https://github.com/openclaw/openclaw/releases/tag/v2026.2.12
- https://github.com/openclaw/openclaw/security/advisories/GHSA-qw99-grcx-4pvm
- https://nvd.nist.gov/vuln/detail/CVE-2026-28395
- https://www.vulncheck.com/advisories/openclaw-unintended-public-binding-of-chrome-extension-relay-via-wildcard-cdpurl