CVE-2026-41355
OpenClaw < 2026.3.28 - Arbitrary Code Execution via Mirror Mode Sandbox File Conversion
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.
INFO
Published Date :
April 23, 2026, 10:16 p.m.
Last Modified :
May 12, 2026, 2:16 a.m.
Remotely Exploit :
No
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | 83251b91-4cc7-4094-a5c7-464a1b83ea10 | ||||
| CVSS 3.1 | HIGH | [email protected] | ||||
| CVSS 4.0 | MEDIUM | 83251b91-4cc7-4094-a5c7-464a1b83ea10 | ||||
| CVSS 4.0 | MEDIUM | [email protected] |
Solution
- Update OpenShell to version 2026.3.28 or later.
- Disable workspace hooks if not essential.
- Restrict mirror mode access to trusted users.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-41355.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-41355 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-41355
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-41355 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-41355 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 12, 2026
Action Type Old Value New Value Changed Description 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. 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. -
Initial Analysis by [email protected]
May. 01, 2026
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:* versions up to (excluding) 2026.3.28 Added Reference Type VulnCheck: https://github.com/openclaw/openclaw/commit/c02ee8a3a4cb390b23afdf21317aa8b2096854d1 Types: Patch Added Reference Type VulnCheck: https://github.com/openclaw/openclaw/security/advisories/GHSA-42mx-vp8m-j7qh Types: Vendor Advisory Added Reference Type VulnCheck: https://www.vulncheck.com/advisories/openshell-arbitrary-code-execution-via-mirror-mode-sandbox-file-conversion Types: Third Party Advisory -
New CVE Received by [email protected]
Apr. 23, 2026
Action Type Old Value New Value Added Description 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. Added CVSS V4.0 AV:L/AC:L/AT:P/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CVSS V3.1 AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H Added CWE CWE-829 Added Reference https://github.com/openclaw/openclaw/commit/c02ee8a3a4cb390b23afdf21317aa8b2096854d1 Added Reference https://github.com/openclaw/openclaw/security/advisories/GHSA-42mx-vp8m-j7qh Added Reference https://www.vulncheck.com/advisories/openshell-arbitrary-code-execution-via-mirror-mode-sandbox-file-conversion