CVE-2026-34503
OpenClaw's device removal and token revocation do not terminate active WebSocket sessions
Description
## Summary Removing a device or revoking its token updated stored credentials but did not disconnect already-authenticated WebSocket sessions. ## Impact A revoked device could continue using its existing live session until reconnect, extending access beyond credential removal. ## Affected Component `src/gateway/server-methods/devices.ts, src/gateway/server.impl.ts` ## Fixed Versions - Affected: `<= 2026.3.24` - Patched: `>= 2026.3.28` - Latest stable `2026.3.28` contains the fix. ## Fix Fixed by commit `7a801cc451` (`Gateway: disconnect revoked device sessions`). OpenClaw thanks @AntAISecurityLab for reporting.
How to fix CVE-2026-34503
To remediate CVE-2026-34503, upgrade the affected package to a fixed version below.
- —upgrade to 2026.3.28 or later
Is CVE-2026-34503 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 2026.3.28
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N |
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |