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Livewire CVE-2025-54068

CRITICAL
Code Injection (CWE-94)
2025-07-17 security-advisories@github.com GHSA-29cq-5w36-x7w3
9.8
CVSS 3.1 · GitHub Advisory
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Code injection prevention, sandbox exec
MITRE ATT&CK

2 techniques across 2 tactics: Execution, Initial Access

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Impact

CVSS 9.8 (Critical). KEV-listed — actively exploited. EPSS 16%. Patch available (v3.6.4+). No authentication required. Laravel/Livewire powers thousands of web applications. Server-side code execution. Unique to Livewire v3.

Exploit ScenarioDerived

An attacker sends crafted Livewire update requests to a Laravel application, manipulating the component hydration payload to inject PHP code. The server deserializes and processes the malicious payload, executing the injected code with the web server's privileges. The attacker gains: access to the application database (user data, credentials), access to environment variables (API keys, database credentials, mail server passwords), server filesystem access, and ability to modify the application's behavior.

Act Now Prioritize within 24-48h. Why: In CISA KEV with patch available.
Exploited in the wild (CISA KEV) Patch available 16.0% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 20, 2026

Laravel Livewire v3 through v3.6.3 contains a critical remote code execution vulnerability (CVE-2025-54068, CVSS 9.8) that allows unauthenticated attackers to execute commands through improper hydration of component property updates. KEV-listed with EPSS 16%, this vulnerability affects one of the most popular PHP frameworks, potentially compromising thousands of Laravel applications using Livewire for reactive server-side rendering.

Earlier versions of this analysis (1)
v1 Mar 20, 2026 - 16:07 CVSS 9.8

Livewire v3's component hydration process (CWE-94) improperly handles property updates, allowing unauthenticated attackers to inject and execute arbitrary code on the server in specific component configurations.

RemediationAI

Upgrade Livewire to v3.6.4 or later immediately. If unable to upgrade, review component property definitions for potentially vulnerable patterns. Rotate all secrets in .env after patching. Audit application logs for suspicious Livewire requests.

Affected Packages

composer livewire/livewire fix: 3.6.4

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in composer

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

Technical ContextAI · show details

Livewire is a full-stack framework for Laravel that enables reactive server-side rendering. Component state is serialized, sent to the client, and deserialized (hydrated) on subsequent requests. The vulnerability exists in how certain property updates are hydrated — attacker-controlled data can influence the hydration process to execute arbitrary PHP code. This affects Livewire v3 specifically (introduced in the v3 rewrite) and is exploitable without authentication on any page using vulnerable component patterns.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

GitHub Advisory PRIMARY 9.8 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from GitHub Advisory · only source for this CVE.

CVSS VectorGitHub Advisory

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

3
Added to CISA KEV
Mar 20, 2026 - 18:36 cisa
CISA KEV
Patch released
Mar 20, 2026 - 16:07 nvd
Patch available
CVE Published
Jul 17, 2025 - 19:15 nvd
CRITICAL 9.8

DescriptionGitHub Advisory

Livewire is a full-stack framework for Laravel. In Livewire v3 up to and including v3.6.3, a vulnerability allows unauthenticated attackers to achieve remote command execution in specific scenarios. The issue stems from how certain component property updates are hydrated. This vulnerability is unique to Livewire v3 and does not affect prior major versions. Exploitation requires a component to be mounted and configured in a particular way, but does not require authentication or user interaction. This issue has been patched in Livewire v3.6.4. All users are strongly encouraged to upgrade to this version or later as soon as possible. No known workarounds are available.

Executive ViewAI

Why It Matters

Laravel applications using Livewire v3 up to v3.6.3 are exposed to unauthenticated remote code execution, allowing attackers to gain complete control of affected servers without valid credentials. This vulnerability is confirmed actively exploited (CISA KEV) with Iranian threat actors observed targeting deployments, creating immediate risk of data breach, service disruption, and infrastructure compromise across any organization running vulnerable Livewire versions.

Business Impact: Severe
Compensating Controls

Apply vendor patch (upgrade to Livewire v3.6.4 or later). If immediate patching is not feasible, implement WAF rules to block malicious property updates during component hydration, disable Livewire components at the web application firewall level, and restrict network access to affected Laravel applications to trusted IPs only pending patch deployment.

Threat Intelligence Overview

Threat Score
5.4/10
Composite threat intelligence
EPSS Score
16.0%
Top 5% exploitable
Exploit
POC
Public exploit code exists
Data Quality
6 sources
Confidence: High

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 CRITICAL
CISA KEV Yes
Public POC Yes
EPSS 16.0%
Patch available Yes
Active threat Yes
Deciding rule
In CISA KEV with patch available
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
Immediate
Exploitation· derived
Active
System Exposure· derived
Open
Automatable· derived
Yes
Human Impact
Very High

Priority Score

135
Low Medium High Critical
KEV: +50
EPSS: +16
CVSS: +49
PoC: +20
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Code Injection CRITICAL

Code injection occurs when an application accepts user input and passes it directly into a language interpreter or evaluator without proper sanitization.

Remote Code Execution represents the critical moment when an attacker successfully runs arbitrary code on a target system without physical access.

Affected Products (CPE)GitHub Advisory

cpe:2.3:a:laravel:livewire:*:*:*:*:*:*:*:*

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