What’s Vulnerable › Vulnerabilities

CVE-2026-33581: OpenClaw < 2026.3.24 - Arbitrary File Read via mediaUrl and fileUrl Parameters

• Severity: high (CVSS 8.6 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-03-31 · updated 2026-07-24
• Weakness: CWE-22

Description

OpenClaw before 2026.3.24 contains a sandbox bypass vulnerability in the message tool that allows attackers to read arbitrary local files by using mediaUrl and fileUrl alias parameters that bypass localRoots validation. Remote attackers can exploit this by routing file requests through unvalidated alias parameters to access files outside the intended sandbox directory.

Affected products

• OpenClaw: before 2026.3.24 — fixed in 2026.3.24

How to fix

Upgrade to a fixed version: OpenClaw 2026.3.24. Check the vendor advisory for mitigations.

References

• https://github.com/openclaw/openclaw/commit/1d7cb6fc03552bbba00e7cffb3aa9741f5556416
• https://github.com/openclaw/openclaw/security/advisories/GHSA-v8wv-jg3q-qwpq
• https://www.vulncheck.com/advisories/openclaw-arbitrary-file-read-via-mediaurl-and-fileurl-parameters

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