CVE-2026-41355 PUBLISHED

OpenShell < 2026.3.28 - Arbitrary Code Execution via Mirror Mode Sandbox File Conversion

Assigner: VulnCheck
Reserved: 20.04.2026 Published: 23.04.2026 Updated: 23.04.2026

OpenShell 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:4.0/AV:L/AC:L/AT:P/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CVSS Score: 5.4

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Local	Confidentiality	High	Confidentiality	None
Attack Complexity	Low	Integrity	High	Integrity	None
Attack Requirements	Present	Availability	High	Availability	None
Privileges Required	Low
User Interaction	Passive

CVSS 4.0

CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
CVSS Score: 7.3

Attack Vector	Local	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	Low	Integrity Impact	High
User Interaction	Required	Availability Impact	High

CVSS 3.1

Product Status

Vendor	OpenClaw
Product	OpenClaw
Versions	Default: unaffected affected from 0 to 2026.3.28 (excl.) Version 2026.3.28 is unaffected

CVE-2026-41355 PUBLISHED

OpenShell < 2026.3.28 - Arbitrary Code Execution via Mirror Mode Sandbox File Conversion

Metrics

Product Status

Credits

References

Problem Types