guide

Is Snyk SAST or DAST? Neither Label Fits (2026)

Snyk Code is SAST. Snyk is not a DAST tool at all. Here is what each part of the platform actually does, why the question keeps coming up, and what you still need alongside it.

Published:

The short answer

Snyk Code is SAST. Snyk does not do DAST at all.

Every product in the Snyk platform is static. None of them run your application. If your security programme needs dynamic testing, Snyk is not the tool that provides it and no configuration will make it one.

Why the question keeps coming up

The confusion is Snyk’s own doing, though not maliciously.

Snyk positions itself as a developer-first application security platform, not as a SAST vendor. That framing is accurate - the platform genuinely spans several testing categories - but it leaves buyers without the one-word answer they need when filling in a tooling matrix or answering a security questionnaire.

It is compounded by how most people first encounter Snyk: through dependency scanning. That is SCA, not SAST, and it fits neither label in the question. Someone whose entire experience of Snyk is a GitHub bot flagging a vulnerable npm package will reasonably struggle to place it.

What each part actually does

ProductCategoryWhat it analysesRuns your app?
Snyk CodeSASTYour own source codeNo
Snyk Open SourceSCAThird-party dependenciesNo
Snyk ContainerContainer scanningImage layers and base imagesNo
Snyk Infrastructure as CodeIaC scanningTerraform, CloudFormation, KubernetesNo

Four products, four categories, zero of them dynamic. The rightmost column is the whole answer to the question.

Snyk Code is the SAST engine, built on DeepCode AI. Its distinguishing features are the auto-fix capability - it proposes an actual patch rather than just marking a line - and cross-file data flow analysis that traces untrusted input through your application.

Snyk Open Source is where most of the practical value sits for most teams, and it is worth saying plainly: the majority of vulnerabilities in a typical application arrive through dependencies, not through code the team wrote. SCA is the higher-yield scan for most codebases.

SAST vs DAST, and why you might still need both

Worth being precise, because these get discussed as though they are competing options rather than complementary ones.

SAST reads the code. It sees every path, including ones your test suite never exercises. It finds issues before anything is deployed, which makes fixes cheap. Its weakness is that it reasons about what code could do, so it reports things that are unreachable in practice - the false positive problem that makes developers stop reading the output.

DAST attacks the running application. It has no view of your source; it probes the deployed thing from outside, as an attacker would. Its findings are real by construction - it got a response. Its weakness is coverage: it only finds what it can reach through the interface, so unexercised paths stay invisible.

The failure modes are opposite, which is why mature programmes run both. SAST tells you about a SQL injection in an admin endpoint nobody tested. DAST tells you the TLS configuration on your staging load balancer is wrong, which no amount of source analysis would reveal.

If a compliance framework specifically requires dynamic testing, static tooling does not satisfy it regardless of quality. That is usually the forcing function that makes teams buy DAST.

We covered the full comparison in SAST vs DAST if you need the longer version.

What Snyk is genuinely good at

The category label undersells the actual product, so it is worth separating the two.

Auto-fix that works. DeepCode AI generates a concrete patch rather than a description of the problem. The gap between “line 47 has a vulnerability” and “here is the diff that fixes it” is most of the reason security findings get ignored, and closing it is a real contribution.

Developer workflow rather than a security console. IDE integration, PR checks, merge gating. Findings arrive where developers already are, at a moment when fixing is cheap. Tools that surface issues in a separate dashboard reviewed weekly by someone else get systematically ignored.

Fast vulnerability database updates, with CVE data landing within about 24 hours. For SCA that latency is the whole product.

Our Snyk Code review has the full evaluation and ratings.

How to answer this on a security questionnaire

If someone is asking you to classify your tooling, here is the accurate version:

  • SAST: Snyk Code - yes
  • SCA: Snyk Open Source - yes
  • Container scanning: Snyk Container - yes
  • IaC scanning: Snyk IaC - yes
  • DAST: not covered by Snyk, requires a separate tool
  • Penetration testing: not covered, separate engagement

That is a strong static coverage story with one clear gap. Naming the gap is better than trying to argue that comprehensive SAST substitutes for dynamic testing, because a reviewer who knows the difference will notice.

What to run alongside it

For DAST: you need a dedicated tool. This is a genuine purchase, not a configuration change.

For deeper custom rules: Semgrep is worth pairing with Snyk. Its rule syntax resembles the code it matches, which makes encoding your own organisation’s patterns unusually practical. The two overlap on standard vulnerability classes and diverge on customisation.

For code quality rather than security: Snyk is not trying to solve this. SonarQube or a similar platform covers technical debt, coverage, and maintainability, and our best SAST tools roundup covers the security-specific comparison set.

Bottom line

Snyk Code is SAST. Snyk has no DAST product and is not planning to be one.

The more useful reframing: Snyk is a static platform spanning four scan types, which is broader than most SAST tools and narrower than a complete application security programme. Knowing exactly which box it fills - and which one it leaves empty - is what the question was really after.

Sponsored Why?
Gitar logoGitar

Comments are not enough

Gitar applies the fix, validates it in CI, and clears the queue.

See it on your repo Read our independent Gitar review

Frequently Asked Questions

Is Snyk SAST or DAST?

Snyk Code is SAST - static application security testing. It analyses source code without running it. Snyk does not offer DAST, which tests a running application from the outside. If you need DAST coverage you need a separate tool alongside Snyk.

What are the parts of the Snyk platform?

Four main products. Snyk Code is SAST for your own source. Snyk Open Source is SCA, scanning your dependencies for known vulnerabilities. Snyk Container scans container images. Snyk Infrastructure as Code scans Terraform, CloudFormation, and Kubernetes configuration. All four are static - none of them run your application.

Why do people ask whether Snyk is SAST or DAST?

Because Snyk markets itself as an application security platform rather than as a SAST tool, and because SCA - which is most people's first exposure to Snyk - does not fit either label cleanly. Buyers filling out a security tooling matrix need one box ticked and Snyk spans several.

What is the difference between SAST and DAST?

SAST reads source code and finds patterns and data flows that indicate vulnerabilities, before the application runs. DAST attacks a running instance of the application from the outside, like a penetration tester would, and finds what actually responds. SAST finds more, earlier, with more false positives. DAST finds less but everything it finds is real and exploitable in the deployed configuration.

Do I need DAST if I already have Snyk?

It depends on what you are trying to satisfy. For finding bugs early and cheaply, SAST plus SCA covers a lot. For compliance frameworks that specifically require dynamic testing, or for catching runtime and configuration issues that only exist in a deployed environment, static analysis structurally cannot substitute for DAST.

What makes Snyk Code different from other SAST tools?

The DeepCode AI engine, which was trained on curated data rather than general code, and the auto-fix capability that suggests concrete patches rather than only flagging locations. Snyk also leans hard on developer workflow - IDE integration and PR checks - rather than on being a security-team console.

Explore More

Free Newsletter

Stay ahead with AI dev tools

Weekly insights on AI code review, static analysis, and developer productivity. No spam, unsubscribe anytime.

By subscribing you agree to receive the weekly newsletter. Unsubscribe in one click, any time. See our privacy policy.

Join developers getting weekly AI tool insights.

Related Articles