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Nelko

Vulnerability disclosure program on Self-hosted nelko.net

Accepting reports Full safe harbor
Top reward
No cash rewards
Top severity paid
Not published
Assets in scope
7
Public CVEs
0
Last change
No changes yet

At a glance

What to know before you start testing.

No cash rewards
A disclosure program: you report for credit, not money.
Report by email
[email protected]
Full safe harbor
Good-faith research is authorised; no legal action.
Replies within 3 days
As the policy promises.
Publish after a fix
Coordinate the timing with the company.

Rewards

What the company's own policy page says it pays.

This program does not pay cash rewards.

Pays cash
No No Monetary Rewards: Nelko does not offer any monetary (cash) rewards for identified vulnerabilities.
Response
Within 3 days We will acknowledge receipt of your report within 72 hours.
Safe harbor
Full No Legal Action: We will not initiate legal action against researchers who discover and report vulnerabilities in good faith.
Hall of fame
Yes Recognition: With your permission, we may provide public recognition for significant contributions through our official channels.

Summarised with AI from the company's policy, read 12 Nov 2026, and checked word for word against it. Read the original

Scope

7 assets you may test, 6 excluded.

Domains 3

  • 2.1 official domain: .nelko.net No bounty
  • .nelko.net
  • nelko.net

Android apps 1

  • 2.2 Software: Official Nelko-branded mobile applications and printing software No bounty

Desktop and binaries 1

  • 2.3 Hardware: Firmware and communication protocols of Nelko-branded printers No bounty

Hardware and IoT 1

  • Firmware and communication protocols of Nelko-branded printers.

Products and areas 1

  • Official Nelko-branded mobile applications and printing software.
Out of scope (6)
  • Attacks against Nelko’s physical offices, warehouses, or personnel.
  • Mailchimp
  • PayPal
  • Phishing or deceptions targeting Nelko employees or customers.
  • Services hosted by third parties (e.g., Shopify, PayPal, Mailchimp).
  • Shopify

Rules

What the policy asks of you, and the bug types it won't reward, quoted from Nelko's policy.

While testing

  • Avoid accessing, modifying, or deleting data that does not belong to you.
  • Do not download or store more data than is strictly necessary to prove the vulnerability exists.
  • Do not share or publish vulnerability details until Nelko has had a reasonable amount of time to resolve the issue.
  • Do not demand payment or compensation in exchange for vulnerability information.

Summarised with AI from the company's policy, read 12 Nov 2026, and checked word for word against it. Read the original

Changes

Tracked since 11 Nov 2026. Last checked 5 hours ago.

No changes yet. When the rewards or scope move, you will see it here and in the RSS feed.

Public CVEs

Published vulnerabilities in this vendor's products, from the NVD.

Search NVD

No CVEs matched yet. We match NVD records by vendor name, so products sold under another name can be missing.