Vulnerability Report

CVE-2026-28468

Title: Unauthenticated Local Access to Sandbox Browser Control

Auth Bypass

Proof Of Concept

No public PoC currently indexed for CVE-2026-28468.

CWE Category CWE-306
Published Date Mar 05, 2026
Modified Date Mar 11, 2026
Exploit Status Not Found
Score 8.5 CVSS v4.0
Exploit Probability (EPSS)
0.14%

Vulnerability Summary

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.

Impacted Vendors

O
openclaw 1

Reference Links

https://github.com/openclaw/openclaw/commit/4711a943e30bc58016247152ba06472dab09d0b0 https://github.com/openclaw/openclaw/commit/6dd6bce997c48752134f2d6ed89b27de01ced7e3 https://github.com/openclaw/openclaw/commit/cd84885a4ac78eadb7bf321aae98db9519426d67 https://github.com/openclaw/openclaw/security/advisories/GHSA-h9g4-589h-68xv https://www.vulncheck.com/advisories/openclaw-beta-authentication-bypass-in-sandbox-browser-bridge-server
CVSS v4.0
Source Entity [email protected]
Severity HIGH
8.5
Attack Vector
LOCAL
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
N/A
RAW VECTOR 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
CVSS v3.1
Source Entity [email protected]
Severity HIGH
7.7
Attack Vector
LOCAL
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CVSS v3.1
Source Entity [email protected]
Severity HIGH
7.7
Attack Vector
LOCAL
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2026-28468 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

Attack Vector Matrix

Access Vector LOCAL
Complexity LOW
Privileges N/A
Interaction NONE
CVSS 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

Affected Stack

No specific products linked.