High severity · published Apr 23, 2026
CVE-2026-41355
OpenClaw < 2026.3.28 - Arbitrary Code Execution via Mirror Mode Sandbox File Conversion
7.3
CVSS
0.1%
EPSS
No
On KEV
Description
OpenClaw before 2026.3.28 contains an arbitrary code execution vulnerability in mirror mode that converts untrusted sandbox files into workspace hooks. Attackers with mirror mode access can execute arbitrary code on the host during gateway startup by exploiting enabled workspace hooks.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 2% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OP
OpenClaw · OpenClaw
before 2026.3.28 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-41355
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-41355
Patch
https://github.com/openclaw/openclaw/commit/c02ee8a3a4cb390b23afdf21317aa8b2096854d1
Vendor Advisory
https://github.com/openclaw/openclaw/security/advisories/GHSA-42mx-vp8m-j7qh
Third Party Advisory
https://www.vulncheck.com/advisories/openshell-arbitrary-code-execution-via-mirror-mode-sandbox-file-conversion
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