CVE-2026-41335: OpenClaw < 2026.3.31 - Information Disclosure via Control UI Bootstrap JSON

Severity: medium (CVSS 5.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-04-23 · updated 2026-06-17
Weakness: CWE-497

Description

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.

Affected products

OpenClaw: before 2026.3.31 — fixed in 2026.3.31

How to fix

Upgrade to a fixed version: OpenClaw 2026.3.31. Check the vendor advisory for mitigations.

References

https://github.com/openclaw/openclaw/commit/c5c10adc022f42eb75ebb3bf364dd607738683b3
https://github.com/openclaw/openclaw/security/advisories/GHSA-hr8g-2q7x-3f4w
https://www.vulncheck.com/advisories/openclaw-information-disclosure-via-control-ui-bootstrap-json

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