CVE-2026-41299
OpenClaw: Gateway chat.send ACP-only provenance guard could be bypassed by client identity spoofing
Description
## Summary ACP-only provenance fields in `chat.send` were gated by self-declared client metadata from the WebSocket handshake rather than verified authorization state. ## Impact A normal authenticated operator client could spoof ACP identity labels and inject reserved provenance fields intended only for the ACP bridge. ## Affected Component `src/gateway/server-methods/chat.ts, src/gateway/server/ws-connection/message-handler.ts` ## Fixed Versions - Affected: `<= 2026.3.24` - Patched: `>= 2026.3.28` - Latest stable `2026.3.28` contains the fix. ## Fix Fixed by commit `4b9542716c` (`Gateway: require verified scope for chat provenance`).
How to fix CVE-2026-41299
To remediate CVE-2026-41299, upgrade the affected package to a fixed version below.
- —upgrade to 2026.3.28 or later
Is CVE-2026-41299 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 2026.3.28
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| nvd | CVSS 4.0 | HIGH7.1 | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/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 |
| nvd | CVSS 3.1 | HIGH7.1 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N |