What’s Vulnerable › Vulnerabilities

CVE-2026-3689: OpenClaw Canvas Path Traversal Information Disclosure Vulnerability

• Severity: medium (CVSS 6.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-04-11 · updated 2026-06-17
• Weakness: CWE-22

Description

OpenClaw Canvas Path Traversal Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose sensitive information on affected installations of OpenClaw. Authentication is required to exploit this vulnerability. The specific flaw exists within the handling of the path parameters provided to the canvas gateway endpoint. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to disclose information in the context of the service account. Was ZDI-CAN-29312.

Affected products

• OpenClaw: before 2026.2.21 — fixed in 2026.2.21

How to fix

Upgrade to a fixed version: OpenClaw 2026.2.21. Check the vendor advisory for mitigations.

References

• https://github.com/openclaw/openclaw/security/advisories/GHSA-jq4x-98m3-ggq6
• https://www.zerodayinitiative.com/advisories/ZDI-26-227/

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