CWE-710 Pillar Incomplete

Improper Adherence to Coding Standards

This weakness occurs when developers don't consistently follow established coding standards and best practices, which can introduce security flaws or make existing vulnerabilities more severe.

Definition

What is CWE-710?

This weakness occurs when developers don't consistently follow established coding standards and best practices, which can introduce security flaws or make existing vulnerabilities more severe.

Coding standards exist for more than just consistency—they're a frontline defense against security issues. When teams skip code reviews, ignore style guides, or inconsistently apply error handling and input validation patterns, they create a codebase where bugs can hide more easily and security checks become unreliable. This inconsistency directly weakens the application's security posture. Think of coding standards as a shared security checklist embedded in your development process. Adhering to them makes code more predictable, readable, and maintainable, which allows security vulnerabilities to be spotted faster during reviews and testing. While not every coding standard violation leads directly to an exploit, systematic disregard creates a fragile foundation where real security flaws are more likely to be introduced and harder to find.

Real-world impact

Real-world CVEs caused by CWE-710

No public CVE references are linked to this CWE in MITRE's catalog yet.

How attackers exploit it

Step-by-step attacker path

1
Identify a code path that handles untrusted input without validation.
2
Craft a payload that exercises the unsafe behavior — injection, traversal, overflow, or logic abuse.
3
Deliver the payload through a normal request and observe the application's reaction.
4
Iterate until the response leaks data, executes attacker code, or escalates privileges.

Vulnerable code example

Vulnerable pseudo

MITRE has not published a code example for this CWE. The pattern below is illustrative — see Resources for canonical references.

Vulnerable pseudo

// Example pattern — see MITRE for the canonical references.
function handleRequest(input) {
  // Untrusted input flows directly into the sensitive sink.
  return executeUnsafe(input);
}

Secure code example

Secure pseudo

// Validate, sanitize, or use a safe API before reaching the sink.
function handleRequest(input) {
  const safe = validateAndEscape(input);
  return executeWithGuards(safe);
}

What changed: the unsafe sink is replaced (or the input is validated/escaped) so the same payload no longer triggers the weakness.

Prevention checklist

How to prevent CWE-710

Implementation Document and closely follow coding standards.
Testing / Implementation Where possible, use automated tools to enforce the standards.

Detection signals

How to detect CWE-710

SAST High

Run static analysis (SAST) on the codebase looking for the unsafe pattern in the data flow.

DAST Moderate

Run dynamic application security testing against the live endpoint.

Runtime Moderate

Watch runtime logs for unusual exception traces, malformed input, or authorization bypass attempts.

Code review Moderate

Code review: flag any new code that handles input from this surface without using the validated framework helpers.

CWE-710

Don't catalog this weakness. Prove it's reachable.

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Frequently asked questions

What is CWE-710?

This weakness occurs when developers don't consistently follow established coding standards and best practices, which can introduce security flaws or make existing vulnerabilities more severe.

How serious is CWE-710?

MITRE has not published a likelihood-of-exploit rating for this weakness. Treat it as medium-impact until your threat model proves otherwise.

What languages or platforms are affected by CWE-710?

MITRE lists the following affected platforms: Not Technology-Specific.

How can I prevent CWE-710?

Document and closely follow coding standards. Where possible, use automated tools to enforce the standards.

How does Plexicus detect and fix CWE-710?

Plexicus's SAST engine matches the data-flow signature for CWE-710 on every commit. When a match is found, our Codex Remedium agent opens a fix PR with the corrected code, tests, and a one-line summary for the reviewer.

Where can I learn more about CWE-710?

MITRE publishes the canonical definition at https://cwe.mitre.org/data/definitions/710.html. You can also reference OWASP and NIST documentation for adjacent guidance.

Related weaknesses

Weaknesses related to CWE-710

CWE-1041 Child

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Improper Adherence to Coding Standards

What is CWE-710?

Real-world CVEs caused by CWE-710

Step-by-step attacker path

Vulnerable pseudo

Secure pseudo

How to prevent CWE-710

How to detect CWE-710

Don't catalog this weakness. Prove it's reachable.

Frequently asked questions

Weaknesses related to CWE-710

Use of Redundant Code

Architecture with Number of Horizontal Layers Outside of Expected Range

Invokable Control Element with Large Number of Outward Calls

Insufficient Technical Documentation

Insufficient Encapsulation

Runtime Resource Management Control Element in a Component Built to Run on Application Servers

Missing Serialization Control Element

Inconsistency Between Implementation and Documented Design

Insufficient Adherence to Expected Conventions

Further reading

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Sample evidence handover

Server-Side Request Forgery in `webhooks/receiver`