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Mailchimp

Vulnerability disclosure program on Self-hosted mailchimp.com

Accepting reports
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.
Partial safe harbor
Some legal protection; read the terms.
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 This program isn’t intended to represent a public bug bounty program and we make no offers of reward or compensation for submitting potential issues.
Response
Within 3 days Mailchimp will review and promptly acknowledge any submitted issue within three business days of submission through its web form, found here: Responsible Disclosure Form
Safe harbor
Partial By following these guidelines and responsibly disclosing any security weaknesses directly to Intuit, we agree not to pursue legal action against you. Mailchimp reserves its legal rights in the event of noncompliance with program guidelines.

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, 4 excluded.

APIs 3

  • https://mailchimp.com/developer/guides/transactional-api-quick-start No bounty
  • Marketing API No bounty
  • Transactional API No bounty

Domains 3

  • mailchimp.com
  • mailchimp.com/developer/marketing/guides/quick-start No bounty
  • mailchimp.com/resources/free-marketing-features-overview No bounty

Products and areas 1

  • any product, system, or asset belonging to Intuit
Out of scope (4)
  • Any form of denial of service (DoS) attack
  • Phishing
  • Physical security assessments
  • Social engineering

Rules

What the policy asks of you, and the bug types it won't reward, quoted from Mailchimp's policy. "We" in these lines means the program, not this site.

While testing

  • Share the security issue with us before making it public (e.g., on message boards, mailing lists, or other forums).
  • Wait until we provide you notification that the vulnerability has been resolved before you disclose it to third parties.
  • Provide a clear, concise description of the steps needed to reproduce any vulnerability you submit.
  • Provide the complete details related to the security issue, including proof-of-concept (POC) URL, as well as the details of the system(s) where tests have been conducted.
  • Don’t cause harm to Mailchimp, Intuit, its customers, shareholders, partners or employees.
  • Don’t engage in any act that may cause an outage or stop any of Mailchimp’s services.
  • Don’t engage in illegal activities or any acts that violate any international laws or regulations, or federal or state laws or regulations.
  • Don’t store, share, compromise or destroy any Mailchimp data or customer data while conducting research activities.
  • If personally identifiable information (PII) is encountered, you are required to stop and immediately notify Mailchimp.
  • Don’t conduct fraudulent activity or complete fraudulent financial transactions as part of your research.

Not accepted

  • Phishing
  • Social engineering
  • Physical security assessments
  • Any form of denial of service (DoS) attack

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.