{"id":"CVE-2026-41333","aliases":["EUVD-2026-25317","GHSA-6p8r-6m93-557f","GHSA-w9f5-8q83-qwpx"],"status":"published","title":"OpenClaw \u003c 2026.3.31 - Authentication Rate Limiting Bypass via Fake DeviceToken","description":"OpenClaw before 2026.3.31 contains an authentication rate limiting bypass vulnerability that allows attackers to circumvent shared authentication protections using fake device tokens. Attackers can exploit the mixed WebSocket authentication flow to bypass rate limiting controls and conduct brute force attacks against weak shared passwords.","severity":{"version":"4.0","score":6.3,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-08","score":0.00388,"percentile":0.33117,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-307","CWE-799"],"published":"2026-04-03T03:09:18Z","modified":"2026-10-28T02:30:28Z","fixes":[{"ecosystem":"npm","package":"openclaw","fixed_in":["2026.3.31"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"openclaw","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"2026.3.28"},{"fixed":"2026.3.31"}]}]},{"source":"osv","ecosystem":"npm","package":"openclaw","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2026.3.31"}]}]}],"products":[{"vendor":"openclaw","product":"openclaw"}],"references":[{"url":"https://github.com/openclaw/openclaw/security/advisories/GHSA-6p8r-6m93-557f","tags":["vendor-advisory","Vendor Advisory","advisory","web"]},{"url":"https://github.com/openclaw/openclaw/commit/af0c0862f22ca4492406a3103d05e3628f94cbe9","tags":["patch","Patch","fix","web"]},{"url":"https://www.vulncheck.com/advisories/openclaw-authentication-rate-limiting-bypass-via-fake-devicetoken","tags":["third-party-advisory","Third Party Advisory","advisory","web"]},{"url":"https://github.com/openclaw/openclaw/releases/tag/v2026.3.31","tags":["web"]},{"url":"https://github.com/advisories/GHSA-6p8r-6m93-557f"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-41333","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-w9f5-8q83-qwpx"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/41xxx/CVE-2026-41333.json","tags":["advisory"]},{"url":"https://github.com/openclaw/openclaw","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-41333","title":"OpenClaw \u003c 2026.3.31 - Authentication Rate Limiting Bypass via Fake DeviceToken","description":"OpenClaw before 2026.3.31 contains an authentication rate limiting bypass vulnerability that allows attackers to circumvent shared authentication protections using fake device tokens. Attackers can exploit the mixed WebSocket authentication flow to bypass rate limiting controls and conduct brute force attacks against weak shared passwords.","status":"published","published":"2026-04-23T21:57:53.81Z","modified":"2026-04-24T13:35:46.057Z","cvss":[{"version":"4.0","score":6.3,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"},{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"cna"}],"cwes":["CWE-799"],"updated_at":"2026-11-02T13:41:19.694734Z"}],"euvd":[{"id":"EUVD-2026-25317","description":"OpenClaw before 2026.3.31 contains an authentication rate limiting bypass vulnerability that allows attackers to circumvent shared authentication protections using fake device tokens. Attackers can exploit the mixed WebSocket authentication flow to bypass rate limiting controls and conduct brute force attacks against weak shared passwords.","status":"published","published":"2026-04-23T21:57:53Z","modified":"2026-04-24T13:35:46Z","cvss":[{"version":"4.0","score":6.3,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T19:24:18.636842Z"}],"ghsa":[{"id":"GHSA-6p8r-6m93-557f","title":"OpenClaw: Fake DeviceToken Bypasses Shared Auth Rate Limiting","description":"## Summary\nFake DeviceToken Bypasses Shared Auth Rate Limiting\n\n## Current Maintainer Triage\n- Status: narrow\n- Normalized severity: low\n- Assessment: Real in shipped mixed WS auth flow, but practical risk is mostly weak shared-password deployments since strong shared tokens remain non-bruteforceable.\n\n## Affected Packages / Versions\n- Package: `openclaw` (npm)\n- Latest published npm version: `2026.3.31`\n- Vulnerable version range: `\u003c=2026.3.28`\n- Patched versions: `\u003e= 2026.3.31`\n- First stable tag containing the fix: `v2026.3.31`\n\n## Fix Commit(s)\n- `af0c0862f22ca4492406a3103d05e3628f94cbe9` — 2026-03-31T09:08:57+09:00\n\n## Release Process Note\n- The fix is already present in released version `2026.3.31`.\n\nOpenClaw thanks @kexinoh of Tencent zhuque Lab (https://github.com/Tencent/AI-Infra-Guard)  for reporting.","status":"published","published":"2026-04-03T03:09:18Z","modified":"2026-05-06T23:22:13Z","cvss":[{"version":"4.0","score":6.3,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium"},{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"low"}],"cwes":["CWE-307","CWE-799"],"updated_at":"2026-11-02T14:40:02.883746Z"},{"id":"GHSA-w9f5-8q83-qwpx","title":"Duplicate Advisory: OpenClaw: Fake DeviceToken Bypasses Shared Auth Rate Limiting","description":"### Duplicate Advisory\nThis advisory has been withdrawn because it is a duplicate of GHSA-6p8r-6m93-557f. This link is maintained to preserve external references.\n\n### Original Description\nOpenClaw before 2026.3.31 contains an authentication rate limiting bypass vulnerability that allows attackers to circumvent shared authentication protections using fake device tokens. Attackers can exploit the mixed WebSocket authentication flow to bypass rate limiting controls and conduct brute force attacks against weak shared passwords.","status":"withdrawn","published":"2026-04-24T00:31:51Z","modified":"2026-05-04T22:00:36Z","cvss":[{"version":"4.0","score":6.3,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/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","level":"medium"},{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"low"}],"cwes":["CWE-799"],"updated_at":"2026-11-02T14:40:00.970271Z"}],"nvd":[{"id":"CVE-2026-41333","description":"OpenClaw before 2026.3.31 contains an authentication rate limiting bypass vulnerability that allows attackers to circumvent shared authentication protections using fake device tokens. Attackers can exploit the mixed WebSocket authentication flow to bypass rate limiting controls and conduct brute force attacks against weak shared passwords.","status":"published","published":"2026-04-23T22:16:39.083Z","modified":"2026-06-17T10:46:31.65Z","cvss":[{"version":"4.0","score":6.3,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/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","level":"medium","assessor":"secondary"},{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"secondary"}],"cwes":["CWE-799"],"updated_at":"2026-11-02T14:12:15.867234Z"}],"osv":[{"id":"CVE-2026-41333","title":"OpenClaw \u003c 2026.3.31 - Authentication Rate Limiting Bypass via Fake DeviceToken","description":"OpenClaw before 2026.3.31 contains an authentication rate limiting bypass vulnerability that allows attackers to circumvent shared authentication protections using fake device tokens. Attackers can exploit the mixed WebSocket authentication flow to bypass rate limiting controls and conduct brute force attacks against weak shared passwords.","status":"published","published":"2026-04-23T21:57:53.81Z","modified":"2026-10-28T02:30:28.180637835Z","cvss":[{"version":"4.0","score":6.3,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-799"],"updated_at":"2026-11-02T15:45:03.764807Z"},{"id":"GHSA-6p8r-6m93-557f","title":"OpenClaw: Fake DeviceToken Bypasses Shared Auth Rate Limiting","description":"## Summary\nFake DeviceToken Bypasses Shared Auth Rate Limiting\n\n## Current Maintainer Triage\n- Status: narrow\n- Normalized severity: low\n- Assessment: Real in shipped mixed WS auth flow, but practical risk is mostly weak shared-password deployments since strong shared tokens remain non-bruteforceable.\n\n## Affected Packages / Versions\n- Package: `openclaw` (npm)\n- Latest published npm version: `2026.3.31`\n- Vulnerable version range: `\u003c=2026.3.28`\n- Patched versions: `\u003e= 2026.3.31`\n- First stable tag containing the fix: `v2026.3.31`\n\n## Fix Commit(s)\n- `af0c0862f22ca4492406a3103d05e3628f94cbe9` — 2026-03-31T09:08:57+09:00\n\n## Release Process Note\n- The fix is already present in released version `2026.3.31`.\n\nOpenClaw thanks @kexinoh of Tencent zhuque Lab (https://github.com/Tencent/AI-Infra-Guard)  for reporting.","status":"published","published":"2026-04-03T03:09:18Z","modified":"2026-05-06T23:41:28.856019Z","cvss":[{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"low"},{"version":"4.0","score":6.3,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-307","CWE-799"],"updated_at":"2026-11-02T15:46:39.965326Z"},{"id":"GHSA-w9f5-8q83-qwpx","title":"Duplicate Advisory: OpenClaw: Fake DeviceToken Bypasses Shared Auth Rate Limiting","description":"### Duplicate Advisory\nThis advisory has been withdrawn because it is a duplicate of GHSA-6p8r-6m93-557f. This link is maintained to preserve external references.\n\n### Original Description\nOpenClaw before 2026.3.31 contains an authentication rate limiting bypass vulnerability that allows attackers to circumvent shared authentication protections using fake device tokens. Attackers can exploit the mixed WebSocket authentication flow to bypass rate limiting controls and conduct brute force attacks against weak shared passwords.","status":"withdrawn","published":"2026-04-24T00:31:51Z","modified":"2026-05-05T16:11:33.422567Z","cvss":[{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"low"},{"version":"4.0","score":6.3,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/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","level":"medium"}],"cwes":["CWE-799"],"updated_at":"2026-11-02T15:46:58.401149Z"}]}}