CVE-2026-62222

Executive Summary

CVE-2026-62222 is a high-severity vulnerability (CVSS 7.8) in OpenClaw versions prior to 2026.5.22, affecting the setup-mode discovery mechanism that permits the loading of untrusted workspace plugins. An attacker with lower-trust caller access or control over configured input paths can leverage this flaw to execute or persist actions beyond their intended authorization level, leading to potential full system compromise. Enterprises running vulnerable OpenClaw versions in multi-tenant or lower-trust environments should prioritize patching to 2026.5.22 or later.

Technical Analysis

The vulnerability resides in OpenClaw's setup-mode discovery feature, which is responsible for identifying and loading plugins from configured workspace paths. Per the NVD description, versions prior to 2026.5.22 contain a flaw that "allows loading of untrusted workspace plugins." The root cause maps to CWE-829 (Inclusion of Functionality from Untrusted Control Sphere) — a vulnerability class where the application loads executable functionality from sources that are not under the developer's or operator's control, without adequate verification.

Attackers with lower-trust caller access — e.g., a user with limited privileges in a multi-user system — or who have the ability to control configured input paths (such as workspace directories, plugin manifests, or plugin discovery locations) can inject a malicious plugin into a path that setup-mode will subsequently load. Because the loading process does not appear to enforce a trust boundary or integrity check on the discovered plugin, the malicious plugin is executed with the privileges of the OpenClaw process.

The CNA title specifically notes "Untrusted Plugin Loading via Setup-mode," which suggests the issue is tied to the initial configuration/bootstrapping flow when OpenClaw discovers plugins. The attack leverages the plugin discovery mechanism itself — there is no need to compromise the OpenClaw binary or exploit additional memory corruption. The attack surface includes:

• Local attack vector (AV:L) — the attacker must have local access or the ability to influence local input paths, though no specific user privileges (PR:N) are required to trigger the vulnerable state.
• User interaction required (UI:R) — the victim (or an automated process) must trigger the vulnerable setup-mode discovery, e.g., by running the application in setup mode or restarting it.
• High confidentiality, integrity, and availability impact (C:H/I:H/A:H) — the attacker can read/write sensitive data, modify system state, and cause denial of service.

Insufficient technical detail is available in the public description to identify the specific plugin manifest format, discovery path variables, or API endpoints involved. The vulnerability class mechanism, however, is well understood: untrusted content (the malicious plugin) is treated as trusted code because the discovery process lacks integrity verification against a trusted allowlist or signature.

Exploitation Scenarios

1. Reconnaissance / Target Identification: An attacker first identifies an OpenClaw installation running a version prior to 2026.5.22. This may be accomplished via Shodan queries targeting OpenClaw web interfaces, or through local enumeration of installed packages and version strings. The attacker also identifies the workspace plugin paths controlled by lower-trust users or input paths that can be configured.

2. Flaw Trigger / Initial Access: The attacker crafts a malicious plugin package designed to be compatible with OpenClaw's plugin interface. The attacker places this plugin into a workspace directory or configured input path that the setup-mode discovery process scans. This requires either lower-trust caller access (e.g., an employee with limited system rights) or the ability to influence the configured input paths (e.g., through a configuration injection or a writable shared directory).

3. Payload Execution: The attacker then triggers setup-mode discovery — either by directly invoking the setup workflow (assuming some user interaction is required, per UI:R), or by tricking a legitimate operator into starting OpenClaw in setup mode. During the discovery scan, OpenClaw loads the attacker's malicious plugin. Since the plugin is untrusted but loaded without integrity verification (CWE-829), its code executes with the full privileges of the OpenClaw process.

4. Post-Exploitation Impact: Once executed, the malicious plugin can perform arbitrary actions — reading sensitive files, modifying system configuration, establishing persistence mechanisms (e.g., modifying startup scripts or leaving behind a second-stage plugin), or exfiltrating data. The CVSS scope is unchanged (S:U), meaning the compromise is limited to the OpenClaw resource, but the C:H/I:H/A:H ratings indicate near-total compromise of that resource. Persistence is achievable by having the plugin re-install itself into the discovery path so it survives restarts.

No public PoC or exploit code is available as of the intelligence cut-off; the attack chain is inferred from the CWE-829 vulnerability class and the NVD description.

Impact Assessment

CVSS Rationale: The CVSS score of 7.8 (High) reflects a locally exploitable vulnerability with no privileges required, but requiring user interaction. The High levels for Confidentiality, Integrity, and Availability (C:H/I:H/A:H) indicate that successful exploitation yields complete control over the OpenClaw process and the data it can access. The scope is unchanged (S:U), so the compromise does not inherently spread to other system components, though the plugin's arbitrary code execution can be used to pivot.

Business Impact: OpenClaw is typically deployed as an orchestration or automation platform. A compromised instance could lead to:

• Data exfiltration of configuration files, credentials, and business secrets handled by the platform.
• Sabotage of automation workflows and business logic underpinned by the platform.
• Lateral movement if the compromised host contains credentials or network access usable elsewhere.
• Compliance violations if sensitive data is exposed.

Affected Systems: All OpenClaw instances running versions prior to 2026.5.22, in any environment where untrusted users have local access or where workspace paths are not strictly controlled. Multi-tenant deployments and environments that accept third-party plugins or shared workspace directories are at highest risk.

Blast Radius: The blast radius is limited to the OpenClaw process's privileges — typically running as a service account that may have broad filesystem and network access. The EPSS score (0.00118, 2.0% percentile) indicates low current exploitation likelihood, and the absence of CISA KEV listing suggests no known in-the-wild exploitation.

Detection Guidance

Sigma Rule

title: Suspicious Plugin Loading in OpenClaw Setup Mode
id: 3f2e49a1-2c6f-4b4e-9e3a-7a9a1b1c2d3e
status: experimental
description: Detects loading of plugin files in OpenClaw setup-mode discovery from non-standard or newly-created workspace paths.
logsource:
    category: file_event
    product: linux
detection:
    selection:
        EventID: 11  # File created / written
        TargetFilename|contains:
            - '\plugins\'
            - '/plugins/'
        Image|endswith:
            - 'openclaw'
            - 'openclawd'
    filter_known_paths:
        TargetFilename|startswith:
            - 'C:\Program Files\OpenClaw\'
            - '/usr/local/openclaw/'
            - '/opt/openclaw/'
    condition: selection and not filter_known_paths
level: medium
falsepositives:
    - Legitimate addition of new plugins by authorized administrators
    - Plugin updates during normal patching

YARA Rule

rule OpenClaw_Untrusted_Plugin_Load
{
    meta:
        author = "ValterIT Threat Intel"
        description = "Detect malicious plugin files designed to exploit CVE-2026-62222 in OpenClaw setup-mode discovery"
        cve = "CVE-2026-62222"
        date = "2026-10-24"
    strings:
        $a = "plugin" nocase
        $b = "setup" nocase
        $c = "discovery" nocase
        $d = "workspace" nocase
        $e = "manifest" nocase
        $f = "execute" nocase
        $g = "shell" nocase
        $h = "eval" nocase
    condition:
        3 of them and filesize < 5MB
}

Suricata IDS Rule

alert http any any -> any any (msg:"CVE-2026-62222 - Potential OpenClaw Plugin Download/Upload"; content:"openclaw"; nocase; content:"plugin"; nocase; content:"download"; nocase; sid:202606222001; rev:1; metadata:cve CVE-2026-62222; reference:url,https://nvd.nist.gov/vuln/detail/CVE-2026-62222;)

Elastic Detection

file where process.name : "openclaw*" and event.action : "write" and file.path : ("*plugins*", "*workspace*") and not file.path : ("/opt/openclaw/plugins*", "/usr/local/openclaw/plugins*", "C:\\Program Files\\OpenClaw\\plugins*")

Splunk SPL Query

index=filesystem OR index=sysmon sourcetype=XmlWinEventLog:Microsoft-Windows-Sysmon/Operational EventCode=11
| search process_name=openclaw* TargetFilename="*plugins*"
| where NOT TargetFilename LIKE "%Program Files\\OpenClaw\\plugins%" AND NOT TargetFilename LIKE "/opt/openclaw/plugins%"
| stats count by host, TargetFilename, process_name
| table _time, host, process_name, TargetFilename
| sort - _time

Wazuh OSSEC Rule

<rule id="100622" level="12">
  <decoded>
    <program_name>openclaw</program_name>
  </decoded>
  <if_sid>500000</if_sid>  <!-- Base event rule -->
  <field name="event_type">file_write</field>
  <field name="file_path">.+plugins.+</field>
  <description>OpenClaw: Plugin file written to a non-standard plugin path - possible CVE-2026-62222 exploitation</description>
  <group>openclaw,integrity,</group>
</rule>

Mitigation & Patch Guidance

Patch Confidence: 4/4 (CONFIRMED) — The fix has been independently confirmed by NVD, the CNA, and OSV. No workarounds are currently available.

1. Immediate Mitigations (before patching):

• Restrict write access to workspace directories and plugin paths to only trusted administrators.
• Disable setup-mode discovery if not actively required for deployment.
• Review all existing plugins for untrusted or suspicious content; remove any that cannot be verified.
• Monitor file creation events on plugin directories for anomalous activity.

2. Patch / Upgrade Steps:

• Upgrade OpenClaw to version 2026.5.22 or later immediately. This is the confirmed patched version that addresses the untrusted plugin loading flaw.
• Verify the upgrade by reviewing release notes confirming the CVE-2026-62222 fix.
• After patching, revalidate all existing plugins to ensure they are still compatible and trusted.

3. Long-Term Hardening:

• Implement integrity verification (checksums or code signing) for all plugins loaded by OpenClaw.
• Restrict setup-mode usage to initialization/deployment phases only; disable it in production.
• Segregate OpenClaw instances by trust level so lower-trust users do not share workspaces with higher-privilege environments.
• Subscribe to vendor security advisories and apply patches within a 30-day window for High-severity CVEs.
• Run OpenClaw with the least-privileged service account possible, reducing the impact of any future compromise.

References

1. NVD Entry: https://nvd.nist.gov/vuln/detail/CVE-2026-62222
2. CNA Advisory: OpenClaw Security Advisory — "OpenClaw < 2026.5.22 Untrusted Plugin Loading via Setup-mode"
3. OSV Database: https://osv.dev/vulnerability/CVE-2026-62222
4. MITRE ATT&CK T1190: Exploit Public-Facing Application — https://attack.mitre.org/techniques/T1190/

As of this report, there are no known threat actor campaigns leveraging CVE-2026-62222, no CISA KEV listing, and no public PoC or exploit code identified. The vulnerability is not listed in the CISA Known Exploited Vulnerabilities catalog.