CVE-2026-53848: OpenClaw exec allowlist bypass

Q: Is CVE-2026-53848 actively exploited?

No confirmed active exploitation of CVE-2026-53848 has been reported, but organizations should still patch proactively.

Q: How to fix CVE-2026-53848?

1. Patch immediately: upgrade OpenClaw to version 2026.5.26 or later per the vendor advisory. 2. If patching is not immediately possible, restrict network access to the OpenClaw command API to explicitly trusted operators and IP ranges at the network layer. 3. Audit all operator accounts — revoke or restrict any accounts with low-privilege access that do not require command submission rights. 4. Review command wrapper configurations and execution logs for anomalous patterns that may indicate prior exploitation. 5. Enable structured logging on all command requests and alert on operations falling outside expected command patterns. 6. Review the GitHub security advisory GHSA-cwpp-5962-q4f6 and VulnCheck advisory for additional vendor guidance and indicators.

Q: What systems are affected by CVE-2026-53848?

This vulnerability affects the following AI/ML architecture patterns: agent frameworks, automated task pipelines, multi-agent orchestration, human-in-the-loop agent systems.

Q: What is the CVSS score for CVE-2026-53848?

CVE-2026-53848 has a CVSS v3.1 base score of 4.3 (MEDIUM). The EPSS exploitation probability is 0.18%.

CISO Take

OpenClaw, an AI agent framework, contains an incomplete allowlist validation flaw (CWE-184) that lets any authenticated operator with low privileges execute wrapper-level side effects well outside the intended command scope. At CVSS 4.3 with network access and low attack complexity, any legitimate user of the agent platform can abuse transparent command wrappers to trigger unintended operations — effectively defeating the trust boundary the allowlist was designed to enforce. The vulnerability is not currently in CISA KEV, no public exploit code exists, and EPSS data is unavailable, suggesting limited active exploitation at this time. Upgrade to OpenClaw 2026.5.26 or later; if patching is not immediately possible, restrict access to the command API to explicitly trusted principals and audit operator privilege assignments.

Sources: NVD GitHub Advisory ATLAS

What is the risk?

Medium risk overall, though elevated in agentic AI deployments where the allowlist is a primary security control boundary. The CVSS 4.3 reflects limited integrity impact and unchanged scope, but the low complexity and operator-level (not admin-level) requirement are concerning in environments with many service accounts or delegated operator roles. AI agent frameworks are increasingly used in automated pipelines where a single allowlist bypass can chain into downstream unintended tool calls or lateral actions. The absence of EPSS data and no KEV listing indicates this is newly disclosed with no observed in-the-wild exploitation.

How does the attack unfold?

Initial Access

Attacker authenticates to the OpenClaw deployment using low-privilege operator credentials, gaining legitimate API access to submit command requests.

AML.T0012

Allowlist Bypass

Attacker crafts a command request embedding unintended operations inside a transparent command wrapper, which the allowlist validator passes because it only inspects declared command intent.

AML.T0107

Unintended Execution

OpenClaw executes the wrapper-level side effects outside the allowlisted command scope, invoking operations the operator is not authorized to trigger directly.

AML.T0053

Impact

Unintended operations produce integrity violations — unauthorized writes, unapproved agent tool calls, or interactions with downstream services connected to the agent pipeline.

AML.T0048

Initial Access

Attacker authenticates to the OpenClaw deployment using low-privilege operator credentials, gaining legitimate API access to submit command requests.

AML.T0012

Allowlist Bypass

Attacker crafts a command request embedding unintended operations inside a transparent command wrapper, which the allowlist validator passes because it only inspects declared command intent.

AML.T0107

Unintended Execution

OpenClaw executes the wrapper-level side effects outside the allowlisted command scope, invoking operations the operator is not authorized to trigger directly.

AML.T0053

Impact

Unintended operations produce integrity violations — unauthorized writes, unapproved agent tool calls, or interactions with downstream services connected to the agent pipeline.

AML.T0048

What systems are affected?

Package	Ecosystem	Vulnerable Range	Patched
OpenClaw	pip	—	No patch
4 dependents 37% patched ~3d to patch Full package profile →
OpenClaw	npm	<= 2026.5.22	`2026.5.26`
4 dependents 37% patched ~3d to patch Full package profile →

How severe is it?

CVSS 3.1

4.3 / 10

EPSS

0.2%

chance of exploitation in 30 days

Higher than 8% of all CVEs

Source: EPSS v3 — FIRST.org

Exploitation Status

No known exploitation

Sophistication

Moderate

What is the attack surface?

AV Network

AC Low

PR Low

UI None

S Unchanged

C None

I Low

A None

What should I do?

6 steps

Patch immediately: upgrade OpenClaw to version 2026.5.26 or later per the vendor advisory.
If patching is not immediately possible, restrict network access to the OpenClaw command API to explicitly trusted operators and IP ranges at the network layer.
Audit all operator accounts — revoke or restrict any accounts with low-privilege access that do not require command submission rights.
Review command wrapper configurations and execution logs for anomalous patterns that may indicate prior exploitation.
Enable structured logging on all command requests and alert on operations falling outside expected command patterns.
Review the GitHub security advisory GHSA-cwpp-5962-q4f6 and VulnCheck advisory for additional vendor guidance and indicators.

What does CISA's SSVC say?

Decision Track

Exploitation none

Automatable No

Technical Impact partial

Source: CISA Vulnrichment (SSVC v2.0). Decision based on the CISA Coordinator decision tree.

How is it classified?

Auth Bypass Code Execution Agent Framework AML.T0049 - Exploit Public-Facing Application AML.T0053 - AI Agent Tool Invocation AML.T0107 - Exploitation for Defense Evasion

Which compliance frameworks are affected?

This CVE is relevant to:

EU AI Act

Article 9 - Risk management system

ISO 42001

A.6.1 - AI system design and security controls

NIST AI RMF

MANAGE 2.2 - Mechanisms to prevent unintended AI behavior

OWASP LLM Top 10

LLM06 - Excessive Agency

Frequently Asked Questions

What is CVE-2026-53848?

OpenClaw, an AI agent framework, contains an incomplete allowlist validation flaw (CWE-184) that lets any authenticated operator with low privileges execute wrapper-level side effects well outside the intended command scope. At CVSS 4.3 with network access and low attack complexity, any legitimate user of the agent platform can abuse transparent command wrappers to trigger unintended operations — effectively defeating the trust boundary the allowlist was designed to enforce. The vulnerability is not currently in CISA KEV, no public exploit code exists, and EPSS data is unavailable, suggesting limited active exploitation at this time. Upgrade to OpenClaw 2026.5.26 or later; if patching is not immediately possible, restrict access to the command API to explicitly trusted principals and audit operator privilege assignments.

Is CVE-2026-53848 actively exploited?

No confirmed active exploitation of CVE-2026-53848 has been reported, but organizations should still patch proactively.

How to fix CVE-2026-53848?

1. Patch immediately: upgrade OpenClaw to version 2026.5.26 or later per the vendor advisory. 2. If patching is not immediately possible, restrict network access to the OpenClaw command API to explicitly trusted operators and IP ranges at the network layer. 3. Audit all operator accounts — revoke or restrict any accounts with low-privilege access that do not require command submission rights. 4. Review command wrapper configurations and execution logs for anomalous patterns that may indicate prior exploitation. 5. Enable structured logging on all command requests and alert on operations falling outside expected command patterns. 6. Review the GitHub security advisory GHSA-cwpp-5962-q4f6 and VulnCheck advisory for additional vendor guidance and indicators.

What systems are affected by CVE-2026-53848?

This vulnerability affects the following AI/ML architecture patterns: agent frameworks, automated task pipelines, multi-agent orchestration, human-in-the-loop agent systems.

What is the CVSS score for CVE-2026-53848?

CVE-2026-53848 has a CVSS v3.1 base score of 4.3 (MEDIUM). The EPSS exploitation probability is 0.18%.

What is the AI security impact?

Affected AI Architectures

agent frameworksautomated task pipelinesmulti-agent orchestrationhuman-in-the-loop agent systems

MITRE ATLAS Techniques

AML.T0049 Exploit Public-Facing Application

AML.T0053 AI Agent Tool Invocation

AML.T0107 Exploitation for Defense Evasion

Compliance Controls Affected

EU AI Act: Article 9

ISO 42001: A.6.1

NIST AI RMF: MANAGE 2.2

OWASP LLM Top 10: LLM06

What are the technical details?

Original Advisory

OpenClaw before 2026.5.26 contains an exec allowlist bypass vulnerability allowing authenticated operators to execute wrapper-level side effects outside allowlisted command intent. Attackers can craft command requests that bypass allowlist validation by leveraging transparent command wrappers to perform unintended operations.

Exploitation Scenario

An authenticated operator — such as a junior analyst, read-only service account, or compromised credential — submits a crafted command request to an OpenClaw-based agent deployment. By embedding a transparent command wrapper around the intended command, the operator includes side-effect operations that bypass the allowlist validator, which only inspects the declared command intent rather than the full wrapper execution path. OpenClaw processes the request and executes the wrapper-level side effects — such as writing to restricted paths, calling unapproved agent tools, or invoking downstream services — that the operator would not normally be authorized to trigger directly. Because the outer command is allowlisted, no alert is raised.

Weaknesses (CWE)

CWE-184 Incomplete List of Disallowed Inputs Primary CWE-184 Incomplete List of Disallowed Inputs Primary CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') Primary CWE-184 Incomplete List of Disallowed Inputs

CWE-184 — Incomplete List of Disallowed Inputs: The product implements a protection mechanism that relies on a list of inputs (or properties of inputs) that are not allowed by policy or otherwise require other action to neutralize before additional processing takes place, but the list is incomplete.

[Implementation] Do not rely exclusively on detecting disallowed inputs. There are too many variants to encode a character, especially when different environments are used, so there is a high likelihood of missing some variants. Only use detection of disallowed inputs as a mechanism for detecting suspicious activity. Ensure that you are using other protection mechanisms that only identify "good" input - such as lists of allowed inputs - and ensure that you are properly encoding your outputs.

Source: MITRE CWE corpus.