Path traversal in OpenClaw - CVE-2026-26321
Published: May 4, 2026
Vulnerability identifier: #VU129435
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-26321
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to disclose sensitive information.
The vulnerability exists due to path traversal in the sendMediaFeishu function in the Feishu extension when processing attacker-controlled mediaUrl values. A remote attacker can supply a crafted mediaUrl that is treated as a local filesystem path to disclose sensitive information.
Exploitation is possible if the attacker can influence tool calls, including via prompt injection.
Affected software
OpenClaw
How to mitigate CVE-2026-26321
Install security update from vendor's website.
OpenClaw - update to 2026.2.14