High severity · published Mar 5, 2026
CVE-2026-28468
OpenClaw 2026.1.29-beta.1 < 2026.2.14 - Authentication Bypass in Sandbox Browser Bridge Server
7.7
CVSS
0.1%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 4% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OP
OpenClaw · OpenClaw
2026.1.29-beta.1 before 2026.2.14 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-28468
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-28468
Patch
https://github.com/openclaw/openclaw/commit/4711a943e30bc58016247152ba06472dab09d0b0
Patch
https://github.com/openclaw/openclaw/commit/6dd6bce997c48752134f2d6ed89b27de01ced7e3
Patch
https://github.com/openclaw/openclaw/commit/cd84885a4ac78eadb7bf321aae98db9519426d67
Vendor Advisory
https://github.com/openclaw/openclaw/security/advisories/GHSA-h9g4-589h-68xv
Third Party Advisory
https://www.vulncheck.com/advisories/openclaw-beta-authentication-bypass-in-sandbox-browser-bridge-server
More from OpenClaw
9.9
CVE-2026-41329
OpenClaw < 2026.3.31 - Sandbox Bypass via Heartbeat Context Inheritance and senderIsOwner Escalation
9.9
CVE-2026-33579
OpenClaw < 2026.3.28 - Privilege Escalation via Missing Caller Scope Validation in Device Pair Approval
9.9
CVE-2026-32922
OpenClaw < 2026.3.11 - Privilege Escalation via Unvalidated Scope in device.token.rotate
9.9
CVE-2026-32048
OpenClaw < 2026.3.1 - Sandbox Escape via Cross-Agent sessions_spawn
9.9
CVE-2026-22172
OpenClaw < 2026.3.12 - Scope Elevation in WebSocket Shared-Auth Connections