Advisory Details

March 30th, 2026

OpenClaw Canvas Path Traversal Information Disclosure Vulnerability

CVE ID	CVE-2026-3689
CVSS SCORE	6.5, AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
AFFECTED VENDORS	OpenClaw
AFFECTED PRODUCTS	OpenClaw
VULNERABILITY DETAILS	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.
ADDITIONAL DETAILS	OpenClaw has issued an update to correct this vulnerability. More details can be found at: https://github.com/openclaw/openclaw/security/advisories/GHSA-jq4x-98m3-ggq6
DISCLOSURE TIMELINE	2026-02-20 - Vulnerability reported to vendor 2026-03-30 - Coordinated public release of advisory 2026-03-30 - Advisory Updated
CREDIT	Peter Girnus (@gothburz) and Project AESIR of TrendAI Zero Day Initiative

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