CVE-2026-53836Network attack vector

Authenticated code execution via encoded-command alias bypass

Published Jun 12, 2026 · Updated Jun 12, 2026

Allowlist bypass in OpenClaw before 2026.5.12 allows remote authenticated users to execute arbitrary PowerShell content via abbreviated flags. The execution allowlist parser fails to recognize abbreviated encoded-command flag aliases and therefore omits the intended policy decision. Exploitation requires authenticated operator access plus an enabled, reachable feature that passes lower-trust input to PowerShell.

CVSS severity8.7
High
EPSS probability0.45%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Allowlist bypass in OpenClaw before 2026.5.12 allows remote authenticated users to execute arbitrary PowerShell content via abbreviated flags. The execution allowlist parser fails to recognize abbreviated encoded-command flag aliases and therefore omits the intended policy decision. Exploitation requires authenticated operator access plus an enabled, reachable feature that passes lower-trust input to PowerShell.

The record

CVE
CVE-2026-53836
Published
Jun 12, 2026
Updated
Jun 12, 2026
Vendor
OpenClaw Foundation
Product
OpenClaw
Classifications
CWE-184, T1059.001
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jun 12, 2026CVE publishedPublication date reported by the CVE source.
  2. Jun 12, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <2026.5.12

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

OpenClaw Foundation · OpenClawversion=0 <2026.5.12

Published CVSS scores

8.7VulnCheckCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
8.8VulnCheckCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-184Incomplete List of Disallowed Inputs
T1059.001PowerShell

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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