Vulnerability in Openclaw
CVE-2026-41355
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.002 (6.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 7th percentile — 6.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.001 · newest: 0.002 · change: +0.001
Affected products
- Openclaw — versions 0, 2026.3.28
Weakness classification (CWE)
References
- github.com/openclaw/openclaw/security/advisories/GHSA-42mx-vp8m-j7qh (vendor-advisory, Vendor Advisory)
- github.com/openclaw/openclaw/commit/c02ee8a3a4cb390b23afdf21317aa8b2096854d1 (Patch, patch)
- www.vulncheck.com/advisories/openshell-arbitrary-code-execution-via-mirror-mode… (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2026-41355?
- CVE-2026-41355 is a high-severity vulnerability in Openclaw, classified under Inclusion of Functionality from Untrusted Control Sphere. CVSS score: 7.3/10. Published 2026-04-23.
- How severe is CVE-2026-41355?
- High severity. CVSS v3 base score is 7.3 out of 10.