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Surfshark

Bug bounty on security.txt surfshark.com

Accepting reports security.txt expired mentions bounty
Go to program Website
Top reward
Not published
Top severity paid
Not published
Assets in scope
35
Public CVEs
0
Last change
No changes yet

At a glance

What to know before you start testing.

Pays cash
Amounts are not published; ask before you invest time.
Report by email
[email protected]
Publish after a fix
Coordinate the timing with the company.

Rewards

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

The policy page has no reward table. Here is what it says, in its own words.

Pays cash
Yes we reserve the right to cancel the program at any time, and the determination of whether to issue a reward is entirely at our discretion.

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

Scope

35 assets you may test.

Domains 9

  • api.incogni.com
  • api.surfshark.com
  • blog.incogni.com
  • incogni.com
  • my.surfshark.com
  • search.surfshark.com
  • surfshark.com
  • surfshark.com/download/amazon-fire-tv
  • www.surfshark.com

Web 5

  • https://downloads.surfshark.com/android/Surfshark.apk
  • https://play.google.com/store/apps/details?id=com.surfshark.vpnclient.android
  • https://surfshark.com/download/macos
  • https://surfshark.com/download/windows
  • surfshark.com/pricing

Android apps 3

  • Android: .apk
  • com.surfshark.vpnclient.android
  • Surfshark.apk

Desktop and binaries 2

  • Surfshark – macOS Executable
  • Surfshark – Windows Executable

APIs 1

  • Surfshark API

iOS apps 1

  • 1391782046

Products and areas 14

  • Android
  • Browser extensions
  • Desktop and Mobile apps
  • Incogni websites
  • iOS
  • Mac
  • Surfshark Chrome Extension
  • Surfshark Edge Extension
  • Surfshark Firefox Extension
  • Surfshark VPN Application for Amazon Fire TV https://surfshark.com/download/amazon-fire-tv
  • Surfshark VPN servers
  • Surfshark websites
  • Windows
  • Windows: Microsoft Store

Rules

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

While testing

  • Automated testing is strictly prohibited to maintain the integrity of Our Bounty Program.
  • When investigating bugs, utilize the provided testing accounts exclusively. Avoid interacting with other accounts unless explicit consent is obtained from their owners.
  • The initial reporter of a bug will be the sole recipient of the Vulnerability.
  • Please refrain from contacting the Surfshark support team regarding the status of a submitted report.
  • Refrain from engaging in any illegal activities.
  • Avoid activities that exploit, harm, or pose threats to children.
  • Do not send spam, including unwanted or unsolicited bulk email, postings, contact requests, SMS (text messages), or instant messages.
  • Refrain from sharing inappropriate content or material involving nudity, bestiality, pornography, graphic violence, or criminal activity.
  • Abstain from engaging in false or misleading activities.
  • Do not partake in activities that are harmful to yourself, the Program, or others, such as transmitting viruses, stalking, posting terrorist content, communicating hate speech, or advocating violence.

Not accepted

  • Vulnerabilities requiring physical access to the victim’s unlocked device, root/system privileges on, or MITM of a user’s device.
  • User enumeration attacks – the ability to determine if an email address or username is in use.
  • Attacks targeting outdated browsers or browsers other than Firefox, Chrome, Edge, or Safari.
  • Insecure cookie settings / flags on non-login cookies.
  • Weak SSL/TLS algorithms or protocols.
  • Lack of certificate pinning (improper certificate validation still eligible).
  • CSRF with no security impact (unauthenticated/logout/login CSRF).
  • Best practices violations (password complexity, expiration, re-use, etc.).
  • Clickjacking on pre-authenticated pages, or the non-existence of X-Frame-Options, or other non-exploitable clickjacking issues.
  • Previously known vulnerable libraries without a working Proof of Concept.
  • Reflected file download.
  • Content spoofing and text injection issues without being able to modify HTML/CSS.
  • Homograph links.
  • Mobile app crashes.
  • Bypassing rate-limits or the non-existence of rate-limits that have no platform impact.
  • Exposure of internal domains on public domains.
  • Vulnerabilities only affecting users of outdated or unpatched browsers and platforms.
  • WordPress bugs (please report those to WordPress directly).
  • OpenVPN bugs (please report those to OpenVPN directly).
  • Out of date software
  • Anything related to credential stuffing and account takeover.
  • Spam or Social Engineering techniques.
  • HTTP TRACE or OPTIONS methods enabled.

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 3 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.