Vulnerability in Openclaw
CVE-2026-41403
OpenClaw before 2026.3.31 misclassifies proxied remote requests as loopback connections in the diffs viewer when allowRemoteViewer is disabled, allowing unauthorized access. Attackers can bypass access controls by sending proxied requests that are incorrectly identified as local loopback traffic, circumventing intended remote viewer restrictions.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 2.9 (Low). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.004 (28.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 28th percentile — 28.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.001
Affected products
- Openclaw — versions 0, 2026.3.31
Weakness classification (CWE)
References
- github.com/openclaw/openclaw/security/advisories/GHSA-3xv9-89fm-7h4r (vendor-advisory, Vendor Advisory)
- github.com/openclaw/openclaw/commit/30a1690323088fd291abd11643a264a6828a002c (Patch, patch)
- www.vulncheck.com/advisories/openclaw-access-control-bypass-via-proxied-remote-… (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2026-41403?
- CVE-2026-41403 is a low-severity vulnerability in Openclaw, classified under CWE-807. CVSS score: 2.9/10. Published 2026-04-28.
- How severe is CVE-2026-41403?
- Low severity. CVSS v3 base score is 2.9 out of 10.