CVE-2026-41363: OpenClaw 2026.2.6 < 2026.3.28 - Arbitrary File Read via Feishu upload_image Parameter

Severity: medium (CVSS 6.5 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: 2026-04-28 · updated 2026-07-24
Weakness: CWE-22

Description

OpenClaw versions 2026.2.6 through 2026.3.24 contain a path traversal vulnerability in the Feishu extension resolveUploadInput function that bypasses file-system sandbox restrictions. Attackers can exploit improper path resolution during upload_image operations to read arbitrary files outside configured localRoots boundaries.

Affected products

OpenClaw: from 2026.2.6 before 2026.3.28 — fixed in 2026.3.28

How to fix

Upgrade to a fixed version: OpenClaw 2026.3.28. Check the vendor advisory for mitigations.

References

https://github.com/openclaw/openclaw/security/advisories/GHSA-qf48-qfv4-jjm9
https://www.vulncheck.com/advisories/openclaw-arbitrary-file-read-via-feishu-upload-image-parameter

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