VulnerabilityAnalyzed
CVE-2026-34503
Attackers with revoked credentials can maintain unauthorized access through existing live sessions until forced reconnection.
HIGH 8.6EPSS 0.33%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.33%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
OpenClaw before 2026.3.28 fails to disconnect active WebSocket sessions when devices are removed or tokens are revoked. Attackers with revoked credentials can maintain unauthorized access through existing live sessions until forced reconnection.
- CVSS 4.0
- 8.6 HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/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/M
- EPSS
- 0.33% probability · 26th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-613
- Affected
- openclaw/openclaw
- Source
- disclosure@vulncheck.com
References
- https://github.com/openclaw/openclaw/commit/7a801cc451e9e667b705eeccff651923a1b8c863Patch
- https://github.com/openclaw/openclaw/security/advisories/GHSA-2pr2-hcv6-7gwvVendor Advisory
- https://www.vulncheck.com/advisories/openclaw-incomplete-websocket-session-termination-on-device-removal-and-token-revocationThird Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.