What are the security consequences of Inclusion of Sensitive Information in an Include File?

If exploited, CWE-541 (Inclusion of Sensitive Information in an Include File) it can compromise Confidentiality, leading to outcomes such as Read Application Data.

How do you prevent or mitigate Inclusion of Sensitive Information in an Include File?

Recommended mitigations for CWE-541 include: Do not store sensitive information in include files. Protect include files from being exposed.

Which programming languages are affected by Inclusion of Sensitive Information in an Include File?

CWE-541 commonly affects Not Language-Specific. Note that weaknesses are often language-agnostic patterns, so secure coding practices apply broadly.

What is the difference between a CWE and a CVE?

A CWE (Common Weakness Enumeration) like CWE-541 describes a category of software weakness — the underlying flaw type. A CVE (Common Vulnerabilities and Exposures) identifies a specific, real-world vulnerability in a particular product. In short, a CWE is the kind of mistake, and a CVE is an instance of that mistake being found in software.

CWE-541: Inclusion of Sensitive Information in an Include File

Verify controls for CWE-541 with SSDF evidence

Use NIST SSDF verification and vulnerability-response practices to detect CWE-541, Inclusion of Sensitive Information in an Include File, throughout the product lifecycle. Derive review questions, static or dynamic checks, and negative tests from the CWE's causal behavior; define the components and lifecycle stages each check covers; and retain findings with enough evidence to distinguish the root cause from symptoms and impacts. Track escapes and false negatives, then improve the verification plan after every confirmed occurrence.

NIST SP 800-218 Secure Software Development Framework — National Institute of Standards and Technology

Address Inclusion of Sensitive Information in an Include File during Architecture and Design

MITRE associates mitigation with Architecture and Design, and System Configuration; recorded impacts include Read Application Data; related weaknesses include CWE-540. Use these source-defined anchors to turn CWE-541 into implementation, review, and verification checks for the affected component.

CWE-541: Inclusion of Sensitive Information in an Include File — MITRE CWE

Triage CWE-541 against known exploitation evidence

Use CISA's Known Exploited Vulnerabilities catalog to test whether a vulnerability mapped to CWE-541, Inclusion of Sensitive Information in an Include File, has evidence of exploitation in the wild. Confirm the CVE-to-CWE root-cause mapping independently before attaching the example, then capture the affected product, required action, and remediation deadline. A missing KEV match is not evidence that the weakness is unexploited, and a KEV entry must not be generalized to every occurrence of this CWE.

Known Exploited Vulnerabilities Catalog — Cybersecurity and Infrastructure Security Agency

Apply precise root-cause mapping to CWE-541

Apply MITRE's full root-cause mapping guidance when using CWE-541, Inclusion of Sensitive Information in an Include File. Separate weakness language from attacker prerequisites and technical impact, check the entry's abstraction and vulnerability-mapping notes, and prefer the most specific Base or Variant supported by the evidence. Record the rejected alternatives and require an independent review before the mapping is used for remediation trends or program metrics.

CVE to CWE Root Cause Mapping Guidance — MITRE CWE

Validate CWE-541 with root-cause mapping checks

Apply MITRE's root-cause mapping quick tips to CWE-541, Inclusion of Sensitive Information in an Include File. Confirm the finding describes the causal weakness rather than an impact or attack pattern, compare the abstraction and mapping notes with plausible alternatives, and have a second reviewer challenge the selection. Preserve the evidence and reasoning so recurring defects can be measured against one consistent identifier.

CVE to CWE Root Cause Mapping Quick Tips — MITRE CWE

CWE-541: Inclusion of Sensitive Information in an Include File

Technical Details

Applicable To

Security Consequences

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Impact

Mitigation Strategies

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Description

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Detection Methods

Code Examples & CVEs

Demonstrative Examples

CWE Relationships

Parent Weaknesses

Source-backed guidance

Verify controls for CWE-541 with SSDF evidence

Address Inclusion of Sensitive Information in an Include File during Architecture and Design

Triage CWE-541 against known exploitation evidence

Apply precise root-cause mapping to CWE-541

Validate CWE-541 with root-cause mapping checks

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