OpenClaw before 2026.3.31 contains an information disclosure vulnerability in the Control Interface bootstrap JSON that exposes version and assistant agent identifiers. Attackers can extract sensitive fingerprinting information from the Control UI bootstrap payload to identify system versions and agent configurations.
https://www.vulncheck.com/advisories/openclaw-information-disclosure-via-control-ui-bootstrap-json
https://github.com/openclaw/openclaw/security/advisories/GHSA-hr8g-2q7x-3f4w
https://github.com/openclaw/openclaw/commit/c5c10adc022f42eb75ebb3bf364dd607738683b3
Published: 2026-04-23
Updated: 2026-04-23
Base Score: 5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N
Severity: Medium
Base Score: 5.3
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Severity: Medium
Base Score: 6.9
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Severity: Medium