{"id":"CVE-2026-28395","aliases":["EUVD-2026-9895","GHSA-qw99-grcx-4pvm"],"status":"published","title":"OpenClaw 2026.1.14-1 \u003c 2026.2.12 - Unintended Public Binding of Chrome Extension Relay via Wildcard cdpUrl","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.","severity":{"version":"4.0","score":6.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.0046,"percentile":0.40339,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-1327","CWE-284"],"published":"2026-02-17T17:09:43Z","modified":"2026-10-28T02:31:10Z","fixes":[{"ecosystem":"npm","package":"openclaw","fixed_in":["2026.2.12"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"openclaw","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2026.1.14-1"},{"fixed":"2026.2.12"}]}]},{"source":"osv","ecosystem":"npm","package":"openclaw","ranges":[{"type":"SEMVER","events":[{"introduced":"2026.1.14-1"},{"fixed":"2026.2.12"}]}]}],"products":[{"vendor":"openclaw","product":"openclaw"}],"references":[{"url":"https://github.com/openclaw/openclaw/security/advisories/GHSA-qw99-grcx-4pvm","tags":["vendor-advisory","Vendor Advisory","advisory","web"]},{"url":"https://github.com/openclaw/openclaw/commit/8d75a496bf5aaab1755c56cf48502d967c75a1d0","tags":["patch","Patch","fix","web"]},{"url":"https://github.com/openclaw/openclaw/commit/a1e89afcc19efd641c02b24d66d689f181ae2b5c","tags":["patch","Patch","fix","web"]},{"url":"https://www.vulncheck.com/advisories/openclaw-unintended-public-binding-of-chrome-extension-relay-via-wildcard-cdpurl","tags":["third-party-advisory","Broken Link","advisory","web"]},{"url":"https://github.com/openclaw/openclaw/releases/tag/v2026.2.12","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-28395","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-qw99-grcx-4pvm"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/28xxx/CVE-2026-28395.json","tags":["advisory"]},{"url":"https://github.com/openclaw/openclaw","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-28395","title":"OpenClaw 2026.1.14-1 \u003c 2026.2.12 - Unintended Public Binding of Chrome Extension Relay via Wildcard cdpUrl","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.","status":"published","published":"2026-03-05T21:59:23.984Z","modified":"2026-05-27T14:51:36.105Z","cvss":[{"version":"4.0","score":6.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-1327"],"updated_at":"2026-11-02T14:20:01.969981Z"}],"euvd":[{"id":"EUVD-2026-9895","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.","status":"published","published":"2026-03-05T21:59:23Z","modified":"2026-05-27T14:51:36Z","cvss":[{"version":"4.0","score":6.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T18:21:04.415835Z"}],"ghsa":[{"id":"GHSA-qw99-grcx-4pvm","title":"OpenClaw's Chrome extension relay binds publicly due to wildcard treated as loopback","description":"## Summary\nThe Chrome extension relay (`ensureChromeExtensionRelayServer`) previously treated wildcard hosts (`0.0.0.0` / `::`) as loopback, which could make it bind the relay HTTP/WS server to all interfaces when a wildcard `cdpUrl` was passed.\n\n## Impact\nIf configured with a wildcard `cdpUrl`, relay HTTP endpoints could become reachable off-host, leaking service presence/port and enabling DoS/brute-force traffic against the relay token header.\n\n## Affected Packages / Versions\n- Package: `openclaw` (npm)\n- Affected: `\u003e= 2026.1.14-1 \u003c 2026.2.12`\n\n## Fixed Versions\n- Patched: `\u003e= 2026.2.12` (released 2026-02-13)\n\n## Fix Commit(s)\n- 8d75a496bf5aaab1755c56cf48502d967c75a1d0\n\n## Notes\n- Earlier hardening for `/json*` auth and `/cdp` token checks landed in:\n  - a1e89afcc19efd641c02b24d66d689f181ae2b5c\n\nThanks @qi-scape for reporting.","status":"published","published":"2026-02-17T17:09:43Z","modified":"2026-03-06T00:58:29Z","cvss":[{"version":"4.0","score":6.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N","level":"medium"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L","level":"medium"}],"cwes":["CWE-284","CWE-1327"],"updated_at":"2026-11-02T14:39:31.060223Z"}],"nvd":[{"id":"CVE-2026-28395","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.","status":"published","published":"2026-03-05T22:16:16.173Z","modified":"2026-06-17T10:28:32.65Z","cvss":[{"version":"4.0","score":6.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:L/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","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L","level":"medium","assessor":"secondary"},{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","level":"critical","assessor":"primary"}],"cwes":["CWE-1327"],"updated_at":"2026-11-02T14:12:07.852448Z"}],"osv":[{"id":"CVE-2026-28395","title":"OpenClaw 2026.1.14-1 \u003c 2026.2.12 - Unintended Public Binding of Chrome Extension Relay via Wildcard cdpUrl","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.","status":"published","published":"2026-03-05T21:59:23.984Z","modified":"2026-10-28T02:31:10.660185371Z","cvss":[{"version":"4.0","score":6.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-1327"],"updated_at":"2026-11-02T15:45:00.180685Z"},{"id":"GHSA-qw99-grcx-4pvm","title":"OpenClaw's Chrome extension relay binds publicly due to wildcard treated as loopback","description":"## Summary\nThe Chrome extension relay (`ensureChromeExtensionRelayServer`) previously treated wildcard hosts (`0.0.0.0` / `::`) as loopback, which could make it bind the relay HTTP/WS server to all interfaces when a wildcard `cdpUrl` was passed.\n\n## Impact\nIf configured with a wildcard `cdpUrl`, relay HTTP endpoints could become reachable off-host, leaking service presence/port and enabling DoS/brute-force traffic against the relay token header.\n\n## Affected Packages / Versions\n- Package: `openclaw` (npm)\n- Affected: `\u003e= 2026.1.14-1 \u003c 2026.2.12`\n\n## Fixed Versions\n- Patched: `\u003e= 2026.2.12` (released 2026-02-13)\n\n## Fix Commit(s)\n- 8d75a496bf5aaab1755c56cf48502d967c75a1d0\n\n## Notes\n- Earlier hardening for `/json*` auth and `/cdp` token checks landed in:\n  - a1e89afcc19efd641c02b24d66d689f181ae2b5c\n\nThanks @qi-scape for reporting.","status":"published","published":"2026-02-17T17:09:43Z","modified":"2026-03-06T01:01:26.322453Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L","level":"medium"},{"version":"4.0","score":6.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-1327","CWE-284"],"updated_at":"2026-11-02T15:46:55.122811Z"}]}}