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Apache NiFi Review

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Should I use Apache NiFi?

Apache NiFi is an easy to use, powerful, and reliable system to process and distribute data - nifi.apache.org

· 1 month ago

Buy if you have dedicated data/platform engineers moving high-volume data between many systems — it's free and reviewers say it fills a niche nothing else covers. Don't if you're a small team wanting simple, supported data sync; managed ETL tools cost less in time and risk.

Confidence

Medium. Based on 90+ public sources across reviews, security trackers, pricing pages, and company data; many snippets truncated.

Ratings

  • Value for money
  • Ease of use
  • Feature depth
  • Support quality
  • Security posture

Pricing

$0

Self-hosted (Apache NiFi)

ModelNot disclosed
Monthly feesNot disclosed
HardwareNot disclosed
Free tierYes
Elestio managed hostingPaid per instance
Enterprise support (Cloudera)Undisclosed

Best for

  • Data engineering teams moving high-volume streams
  • Compliance-heavy flows needing data provenance
  • Orgs with dedicated platform engineers
  • Many-system routing and transformation pipelines

Not for

  • Small teams needing simple point-to-point data sync
  • Anyone without an engineer to run and secure clusters
  • Teams wanting managed SaaS with support included
  • Code-first orchestration shops (use Airflow instead)

Gotchas - check before you buy

high

Free software isn't free total cost: clustering, security hardening, and support carry real expense

high

Default installations can be insecure; hardening requires deliberate admin work

medium

Commercial support pricing undisclosed; Cloudera forum threads show buyers can't get quotes

medium

No code review model — UI-built flows become hard to audit and migrate

Pros and cons

Pros

  • Free and open-source; no license fees
  • Drag-and-drop flows make building pipelines approachable
  • Reviewers say it fills a niche no alternatives cover
  • Trusted by banks and financial institutions for data movement
  • Still considered worth learning in 2025; active community

Cons

  • Flows skip code review; logic paths get hard to govern
  • A little bit complicated to learn and operate
  • Commercial support pricing opaque; users struggle to get answers
  • Some users report dissatisfaction noted in NiFi-vs-Airflow comparisons

Sources & method

- 12 sources - Ongoing security burden: 57 tracked CVEs including recent auth-bypass and privilege-escalation flaws; harden before exposing anything.

official x1review x6security x3news x2
  • CVE-2026-39816 — auth bypass, Authentication bypass enabling privilege escalation and code execution; public proof-of-concept exists.
  • CVE-2026-25903 — privilege escalation, Privilege escalation flaw affecting NiFi 1.1.0 through 2.7.2.
  • CVE-2023-34468 — critical RCE, Critical remote code execution vulnerability.
  • CVE-2025-27017 — credential exposure, Critical vulnerability exposing MongoDB credentials.

Key stats

  • Value for money: 5/5

    Rating

  • $0

    Starting price

  • 12

    Sources

  • Analyzed

  • Value for money: 5/5. Free forever; costs hide in ops and support
  • Ease of use: 3/5. Drag-and-drop UI, but setup and tuning are hard
  • Feature depth: 4/5. Deep data routing, provenance, and flow controls
  • Support quality: 2/5. Community-driven; commercial support pricing hard to find
  • Security posture: 2/5. 57 tracked CVEs; recent auth bypass and RCE flaws
  • $0 License cost Free and open-source
  • 57 Known CVEs Tracked on OpenCVE
  • 26 G2 reviews Small sample; no aggregate score in evidence
  • 4,493 Companies tracked using it Per TheirStack data

Pricing

Self-hosted (Apache NiFi)

$0

  • Full platform, open-source
  • Community support only
  • You run clusters and security

Elestio managed hosting

Paid per instance

  • Fully hosted NiFi
  • Managed updates and backups

Enterprise support (Cloudera)

Undisclosed

  • Commercial support contract
  • Pricing not public

Security

Ongoing security burden: 57 tracked CVEs including recent auth-bypass and privilege-escalation flaws; harden before exposing anything.

  • CVE-2026-39816 — auth bypassAuthentication bypass enabling privilege escalation and code execution; public proof-of-concept exists.⁹
  • CVE-2026-25903 — privilege escalationPrivilege escalation flaw affecting NiFi 1.1.0 through 2.7.2.10
  • CVE-2023-34468 — critical RCECritical remote code execution vulnerability.
  • CVE-2025-27017 — credential exposureCritical vulnerability exposing MongoDB credentials.

What users say

Users praise its visual, powerful dataflow handling but find it complicated, with governance and lifecycle concerns.

“There are no alternatives to Apache NiFi…”
Reddit, r/dataengineering
“Apache NIFI is easy to use with its drag and dro…”
Reddit, r/dataengineering
“Apache Nifi is a little bit complicated but It's…”
Reddit, r/bigdata

Alternatives

Compare Apache NiFi with each alternative.

  • Apache Airflow

    Better for code-first, scheduled batch orchestration

  • Kestra

    Modern open-source orchestrator; simpler operations than NiFi

  • Hevo

    Managed no-code ETL; no infrastructure to run

  • StreamSets

    Similar dataflow design with commercial support

Companies that use it

  • Border States12
Full analysis

Based on 90+ public sources across reviews, security trackers, pricing pages, and company data; many snippets truncated.

Free, powerful dataflow engine for serious data teams; complicated to run, with a heavy security patching burden.

Methodology

Based on 90+ public sources across reviews, security trackers, pricing pages, and company data; many snippets truncated.

Read how a report is made.

Sources

  1. Apache NiFi official sitenifi.apache.org
    official
  2. Apache NiFi Review: Features, Pricing & Alternatives 2025testguild.com
    review
  3. Apache NiFi Reviews & Product Details (G2)g2.com
    review
  4. Is Apache NiFi dead — r/dataengineeringreddit.com
    review
  5. Apache NIFI — r/dataengineeringreddit.com
    review
  6. Apache NiFi vs. Apache Airflow (Astronomer)astronomer.io
    review
  7. Peerspot: pricing and costs for Apache NiFipeerspot.com
    review
  8. OpenCVE: 57 NiFi CVEs trackedapp.opencve.io
    security
  9. CVE-2026-39816 analysis (ZeroPath)zeropath.com
    security
  10. CVE-2026-25903 (NVD)nvd.nist.gov
    security
  11. Protegrity: NiFi in banks and financial institutionsprotegrity.com
    news
  12. Border States: 33 integrations off NiFi in 8 weeksmindsetconsulting.com
    news

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