Auth bypass in Openclaw
CVE-2026-28468
OpenClaw versions 2026.1.29-beta.1 prior to 2026.2.14 contain a vulnerability in the sandbox browser bridge server in which it accepts requests without requiring gateway authentication, allowing local attackers to access browser control endpoints. A local attacker can enumerate tabs, retrieve WebSocket URLs, execute JavaScript, and exfiltrate cookies and session data from authenticated browser contexts.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.7 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.002 (9.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 10th percentile — 9.9% 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 2026.1.29-beta.1
Weakness classification (CWE)
References
- github.com/openclaw/openclaw/security/advisories/GHSA-h9g4-589h-68xv (vendor-advisory, Vendor Advisory)
- github.com/openclaw/openclaw/commit/4711a943e30bc58016247152ba06472dab09d0b0 (Patch, patch)
- github.com/openclaw/openclaw/commit/6dd6bce997c48752134f2d6ed89b27de01ced7e3 (Patch, patch)
- github.com/openclaw/openclaw/commit/cd84885a4ac78eadb7bf321aae98db9519426d67 (Patch, patch)
- www.vulncheck.com/advisories/openclaw-beta-authentication-bypass-in-sandbox-bro… (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2026-28468?
- CVE-2026-28468 is a high-severity vulnerability in Openclaw, classified under Missing Authentication for Critical Function. CVSS score: 7.7/10. Published 2026-03-05.
- How severe is CVE-2026-28468?
- High severity. CVSS v3 base score is 7.7 out of 10.