CVE-2026-28468

HIGH EPSS 3.9%
Published Mar 5, 20263mo ago · Modified Jun 17, 20261w ago
8.5 CVSS 4.0
High
Find Similar
Published Mar 5, 2026 3mo ago
Last Modified Jun 17, 2026 1w ago

Description

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.

CVSS Details

Base Score
8.5
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/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
Attack Vector Local
Attack Complexity Low
Privileges Required None
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
3.9% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-306 Missing Authentication for Critical Function Authentication

Affected Products 1

VendorProductVersionRange
openclawopenclaw*≥2026.1.29  –  <2026.2.14

References 5

  • github.com https://github.com/openclaw/openclaw/commit/4711a943e30bc58016247152ba06472dab09d0b0
    Patch
  • github.com https://github.com/openclaw/openclaw/commit/6dd6bce997c48752134f2d6ed89b27de01ced7e3
    Patch
  • github.com https://github.com/openclaw/openclaw/commit/cd84885a4ac78eadb7bf321aae98db9519426d67
    Patch
  • github.com https://github.com/openclaw/openclaw/security/advisories/GHSA-h9g4-589h-68xv
    Vendor Advisory
  • vulncheck.com https://www.vulncheck.com/advisories/openclaw-beta-authentication-bypass-in-sandbox-browser-bridge-server
    Third Party Advisory

Remediation

  • github.com https://github.com/openclaw/openclaw/commit/4711a943e30bc58016247152ba06472dab09d0b0
    Patch
  • github.com https://github.com/openclaw/openclaw/commit/6dd6bce997c48752134f2d6ed89b27de01ced7e3
    Patch
  • github.com https://github.com/openclaw/openclaw/commit/cd84885a4ac78eadb7bf321aae98db9519426d67
    Patch