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OpenClaw CVE-2026-53847

| EUVDEUVD-2026-37149 MEDIUM
Incorrect Privilege Assignment (CWE-266)
5.3
CVSS 4.0 · Vendor: VulnCheck
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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

  1. Access
    Obtain valid operator.write credentials
  2. Delivery
    Access OpenClaw Gateway management interface over network
  3. Exploit
    Craft configuration request targeting Active Memory write scope
  4. Execution
    Submit request bypassing admin privilege enforcement
  5. Impact
    Apply unauthorized global configuration changes

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A06:2025 - Insecure Design
ASVS 5.0
V8 - Authorization Privilege assignment review
Exploitation Conditions

Exploitation requires a valid authenticated account with operator.write access to an OpenClaw Gateway instance that is reachable over the network (AV:N). The vulnerability is specific to the Active Memory write scope component and is triggered by submitting configuration change requests that should require operator.admin authorization. Exploitation is limited by the mandatory requirement for operator.write credentials - unauthenticated users and accounts without any operator scope cannot exploit this directly. Risk is further bounded by deployments where operator.write access is tightly controlled or where the Gateway management interface is not broadly network-accessible. No user interaction is required once authenticated access is established, and no special system configuration beyond having the Gateway running is needed.

Impact

The CVSS 4.0 score of 5.3 (Medium) with vector AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L reflects a network-accessible, low-complexity, low-privilege attack with bounded integrity and availability impact and no confidentiality exposure. The real-world risk is operationally significant for organizations running OpenClaw Gateways with multiple operator-level users: any operator.write account - typically a broader population than admin accounts - could silently alter global gateway configuration. The impact is capped (VI:L/VA:L, no scope change to subsequent systems), and this CVE is not in CISA KEV; no public exploit code has been identified. An EPSS score was not included in the source data, so exploitation probability cannot be quantified numerically. The privilege escalation path does not yield direct code execution, but unauthorized configuration changes to a gateway could enable secondary attacks such as traffic rerouting or disabling security controls. This represents a genuine remediation priority for affected deployments, particularly those where operator.write is granted broadly.

Exploit ScenarioDerived

An authenticated Gateway operator with only operator.write credentials sends crafted requests targeting the Active Memory write scope API endpoint, supplying a configuration payload that normally requires operator.admin authorization. Because the scope validation logic does not enforce the privilege boundary, the system processes and applies the global configuration change without elevating the privilege check. No public exploit code is known at this time, but the low attack complexity (AC:L, AT:N) means exploitation would be straightforward for any operator-level user with API familiarity.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
Patch available 0.2% exploitation probability (EPSS)

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AnalysisAIv1 – Jun 16, 2026

Privilege escalation in OpenClaw before 2026.5.6 allows authenticated Gateway operators holding operator.write access to modify global configuration that should be restricted exclusively to operator.admin privileges. The root cause (CWE-266: Incorrect Privilege Assignment) lies in insufficient scope validation within the Active Memory write scope, which fails to enforce the boundary between the write and admin privilege tiers. No public exploit has been identified at time of analysis; however, the network-accessible attack vector (AV:N, PR:L) means any authenticated operator-level account across the deployment is a viable exploitation path with low attack complexity.

RemediationAI

Vendor-released patch: OpenClaw 2026.5.6, which resolves the insufficient scope validation in the Active Memory write scope per the vendor advisory at https://github.com/openclaw/openclaw/security/advisories/GHSA-x629-46cc-7xgw. Upgrade to 2026.5.6 or later as the primary remediation step. If an immediate upgrade is not feasible, restrict operator.write access to the same vetted personnel population as operator.admin, treating write-scope credentials as effectively equivalent to admin credentials until patched - this trade-off reduces operational flexibility but closes the privilege escalation path. Additionally, audit all existing accounts holding operator.write access, review recent gateway configuration changes for unauthorized modifications, and where architecturally possible, restrict network access to the Gateway management interface to trusted hosts to reduce the AV:N attack surface.

Affected VersionsENISA

OpenClaw 0 <2026.5.6

Affected Packages

npm openclaw fix: 2026.5.6

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in npm

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

OpenClaw is a Gateway product (CPE: cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:*:*:*) that implements a tiered role-based access control model with at least two distinct operator privilege levels: operator.write and operator.admin. The vulnerability resides in the Active Memory write scope - a component responsible for handling runtime configuration write operations. CWE-266 (Incorrect Privilege Assignment) identifies the root cause as the scope validation logic failing to enforce the privilege boundary: operations that should require operator.admin are accepted when presented by an operator.write token. The CVSS 4.0 vector (AV:N/AC:L/AT:N/PR:L/UI:N) confirms the flaw is reachable over the network by low-privileged authenticated users without special attack prerequisites or required user interaction.

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Severity by source

Vendor (VulnCheck) PRIMARY 5.3 MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N
vuln.today AI 5.4 MEDIUM

Requires valid operator.write credentials over the network (AV:N, PR:L); privilege escalation stays within the product boundary (S:U); configuration modification yields limited integrity and availability impact with no confidentiality exposure.

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

Primary rating from Vendor (VulnCheck).

CVSS VectorVendor: VulnCheck

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
None
Vulnerable system: Confidentiality
None
Vulnerable system: Integrity
Low
Vulnerable system: Availability
Low
Subsequent system: Confidentiality
None
Subsequent system: Integrity
None
Subsequent system: Availability
None

Lifecycle Timeline

1
Patch available
Jun 16, 2026 - 20:02 EUVD

DescriptionCVE.org

OpenClaw before 2026.5.6 contains a privilege escalation vulnerability in the Active Memory write scope that allows Gateway operators with operator.write access to modify global configuration without requiring operator.admin privileges. Attackers with operator.write access can exploit insufficient scope validation to apply unauthorized configuration changes beyond the intended write scope.

Blast Radius

ecosystem impact
† from your stack dependencies † transitive graph · vuln.today resolves 4-path depth
  • 1 npm packages depend on openclaw (1 direct, 0 indirect)

Ecosystem-wide dependent count for version 2026.5.6.

Threat Intelligence Overview

EPSS Score
0.2%
Top 93% exploitable
Threat Intel
1
1 source
Data Quality
7 sources
Confidence: High
EUVD NVD CVE.org EPSS Vulnrichment GHSA GitHub VulDB

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC No
EPSS 0.2%
Patch available Yes
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation
None
System Exposure· derived
Open
Automatable
No
Human Impact· derived
Medium
Technical Impact
Partial

Priority Score

26
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +26
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Privilege escalation occurs when an attacker leverages flaws in access control mechanisms to gain permissions beyond what they were originally granted.

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