EresusSecurity

Source Code Review
— Next.js Secure Code Review

Offensive security testing customized for Next.js Secure Code Review risk profiles. Uncover critical vulnerabilities with our dedicated Source Code Review experts.

Free Scoping Call

Next.js Secure Code Review delivery and security model

Source-code security review for Next.js applications across Server Actions, API routes, middleware, SSR data access, and secrets leaking into client bundles.

Focus areas

  • Server Actions and API route authorization
  • SSR/ISR data exposure and cache behavior
  • Middleware, redirect, and auth guard ordering
  • Environment variable and secret exposure in client bundles

Delivery notes

  • Findings are tied to routes, handlers, or components
  • Authorization decisions are explained through real roles and user flows
  • Remediation follows Next.js architecture patterns

Decision matrix

Next.js Secure Code Review is not just a service label; it states how each control is validated and which evidence is expected at closure.

Evidence driven
ControlDecision questionValidationExpected evidence
Server Actions and API route authorizationDoes Server Actions and API route authorization create real risk?Validated against the relevant code, request, configuration, or runtime behavior in Source Code Review.Findings are tied to routes, handlers, or components
SSR/ISR data exposure and cache behaviorDoes SSR/ISR data exposure and cache behavior create real risk?Validated against the relevant code, request, configuration, or runtime behavior in Source Code Review.Authorization decisions are explained through real roles and user flows
Middleware, redirect, and auth guard orderingDoes Middleware, redirect, and auth guard ordering create real risk?Validated against the relevant code, request, configuration, or runtime behavior in Source Code Review.Remediation follows Next.js architecture patterns
Environment variable and secret exposure in client bundlesDoes Environment variable and secret exposure in client bundles create real risk?Validated against the relevant code, request, configuration, or runtime behavior in Source Code Review.Findings are tied to routes, handlers, or components
Scenario 1

What if Server Actions and API route authorization fails?

Eresus maps this area to real user-flow or delivery-pipeline impact, so the finding is not left as a generic technical label.

Scenario 2

What if SSR/ISR data exposure and cache behavior fails?

Eresus maps this area to real user-flow or delivery-pipeline impact, so the finding is not left as a generic technical label.

Scenario 3

What if Middleware, redirect, and auth guard ordering fails?

Eresus maps this area to real user-flow or delivery-pipeline impact, so the finding is not left as a generic technical label.

Proof-Driven Methodology

01

Asset Recon

Attack surface mapping & asset enumeration

02

Risk Modeling

Penetration testing beyond automated scanners

03

Exploit Chaining

PoC validation for every finding

04

Quality & Reporting

Remediation code + free retest

Frequently Asked Questions

What decision does Next.js Secure Code Review clarify?

Next.js Secure Code Review clarifies exploitability, affected workflows, and release impact for Source Code Review with evidence rather than scanner noise.

What evidence is included in Next.js Secure Code Review?

Findings are tied to routes, handlers, or components Also, Authorization decisions are explained through real roles and user flows. Retest criteria and ownership notes are included for closure.

How is this different from an automated scanner report?

Automated findings are not forwarded as-is; false positives are removed, abuse paths are proven, and remediation priority is explained.

Why Eresus Security?

Proof-Driven Reporting

Every finding is validated with a real exploit. No scanner noise — only proven risks.

Offensive Security Expertise

Specialized team in AI security, API pentesting, Red Team operations, and cloud security review.

Retest Support

Fixes are revalidated within the agreed engagement scope. Remediation guidance and developer-friendly notes are included.

Evidence-Ready Deliverables

Report format designed to support internal review, remediation tracking, and evidence-oriented workflows.

Validate Your Security Posture

Don't rely on scanner outputs. We execute the same techniques real attackers use — in a controlled environment, for you.

Get a Quote