{"id":"CVE-2026-41299","aliases":["GHSA-6xg4-82hv-cp6f"],"url":"https://o3.security/vulnerability/CVE-2026-41299","summary":"OpenClaw < 2026.3.28 - Client Identity Spoofing in chat.send Gateway Provenance Guard","details":"## Summary\n\nACP-only provenance fields in `chat.send` were gated by self-declared client metadata from the WebSocket handshake rather than verified authorization state.\n\n## Impact\n\nA normal authenticated operator client could spoof ACP identity labels and inject reserved provenance fields intended only for the ACP bridge.\n\n## Affected Component\n\n`src/gateway/server-methods/chat.ts, src/gateway/server/ws-connection/message-handler.ts`\n\n## Fixed Versions\n\n- Affected: `<= 2026.3.24`\n- Patched: `>= 2026.3.28`\n- Latest stable `2026.3.28` contains the fix.\n\n## Fix\n\nFixed by commit `4b9542716c` (`Gateway: require verified scope for chat provenance`).","published":"2026-04-20T23:08:12.586Z","modified":"2026-08-12T03:51:45.364958763Z","cvss":null,"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"npm","name":"openclaw","fixedVersion":"2026.3.28"}],"fix":{"url":"https://github.com/openclaw/openclaw/commit/4b9542716c26ac77652bcaa0f562043b298b409f","label":"openclaw/openclaw@4b95427"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/41xxx/CVE-2026-41299.json"},{"type":"ADVISORY","url":"https://github.com/openclaw/openclaw/security/advisories/GHSA-6xg4-82hv-cp6f"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-41299"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/openclaw-client-identity-spoofing-in-chat-send-gateway-provenance-guard"},{"type":"WEB","url":"https://github.com/openclaw/openclaw/commit/4b9542716c26ac77652bcaa0f562043b298b409f"},{"type":"PACKAGE","url":"https://github.com/openclaw/openclaw"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:45.364958763Z"}}