How broadly exploitable is this vulnerability?

Exploitability depends on whether an attacker can influence `options.imports` key names or achieve prototype pollution that affects objects merged into imports. In applications where these inputs are strictly static and developer-defined, practical exploitability is reduced.

Does an attacker need authenticated access to exploit this issue?

Not inherently. The key requirement is influence over imports key names or prototype pollution, which might be reachable via unauthenticated endpoints in some applications, or only after authentication in others, depending on how `_.template` is exposed.

What is the safest general fix pattern?

The safest approach is to ensure that all `options.imports` keys are static, developer-controlled strings and to eliminate or strictly constrain any code paths where user input can become an imports key. Additionally, refactor templating logic to avoid dynamic function generation where feasible.

Severity:

HIGH RISK

(8.1)

Code Injection via Template Imports (CWE-94) in Lodash _.template

CVE-2026-4800

Published:

Mar 31, 2026

Status:

Undergoing Analysis

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

NDV

Recent Vulnerabilities

CWE-77;CWE-78

HIGH RISK

HIGH

(7.3)

OS Command Injection (CWE-78) in Totolink A7100RU setGameSpeedCfg CGI Handler

Remote Code Execution on the Router

April 6, 2026

CWE-77;CWE-78

HIGH RISK

HIGH

(7.3)

OS Command Injection (CWE-78) in Totolink A7100RU setFirewallType Handler

Remote Code Execution on Router Firmware

April 6, 2026

Vulnerability Type

Category:

Code Injection

CWE:

CWE-94

Impact:

Arbitrary Code Execution within the Application Context

Severity:

HIGH RISK

(8.1)

CVSS Version:

3.1

Vulnerability Type

Category:

Code Injection

CWE:

CWE-94

Impact:

Arbitrary Code Execution within the Application Context

Severity:

HIGH RISK

(8.1)

CVSS Version:

3.1

Catch This CVE While Code Is Being Written

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Code Injection via Template Imports (CWE-94) in Lodash _.template

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

Recent Vulnerabilities

HIGH RISK

HIGH

(7.3)

OS Command Injection (CWE-78) in Totolink A7100RU setGameSpeedCfg CGI Handler

HIGH RISK

HIGH

(7.3)

OS Command Injection (CWE-78) in Totolink A7100RU setFirewallType Handler

Vulnerability Type

Vulnerability Type

Vulnerability Type

Catch This CVE While Code Is Being Written

Ship clean & secure code faster

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