CVE-2026-41355
CWE-829Published: April 23, 2026· Updated: Apr 24, 2026
Official 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.
Technical Analysis
CVE-2026-41355 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.3.
CVSS v3.1 Vector Breakdown
Exploit & PoC Resources
All References (3)
Quick Facts
Related CVEs (CWE-829)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2026-41355 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts