Back Market · Vulnerability Disclosure

Back Market Vulnerability Disclosure

Vulnerability disclosure

Back Market runs a coordinated vulnerability disclosure program announced through an RFC 9116 security.txt served identically from every regional storefront and PGP-signed by security@backmarket.com. Reports go to that mailbox and Back Market asks that they be encrypted and attached to the mail rather than pasted in the body. There is no public bug bounty program (no HackerOne / Bugcrowd / Intigriti / YesWeHack listing was found) and Back Market states it is under no obligation to reward a disclosure.

Back Market runs a coordinated vulnerability disclosure program on Hackerone. A machine-readable /.well-known/security.txt is served. A dedicated security contact is published.

CompanyE-CommerceMarketplaceRetailRefurbished ElectronicsCircular EconomyOrderListingsProduct CatalogLogisticsCustomer-Support

Program: Hackerone security.txt present

Disclosure Policy

Security Contact

Contact

mailto:security@backmarket.com

Source

Vulnerability Disclosure

generated: '2026-08-02'
method: searched
probe: true
source: https://www.backmarket.com/.well-known/security.txt
description: >-
  Back Market runs a coordinated vulnerability disclosure program announced through an
  RFC 9116 security.txt served identically from every regional storefront and PGP-signed by
  security@backmarket.com. Reports go to that mailbox and Back Market asks that they be
  encrypted and attached to the mail rather than pasted in the body. There is no public bug
  bounty program (no HackerOne / Bugcrowd / Intigriti / YesWeHack listing was found) and
  Back Market states it is under no obligation to reward a disclosure.
policy: []
contact:
- mailto:security@backmarket.com
encryption:
- https://www.backmarket.com/.well-known/security-pubkey.txt
- https://keys.openpgp.org/search?q=security@backmarket.com
- openpgp4fpr:9892b17f6da330e2fd01f9f82d8829b7e7d5a82d
hiring: https://jobs.backmarket.com/
expires: 'Tue, 18 Sep 2026 00:00:00 -0000'
signed: true
signature: PGP SIGNED MESSAGE, Hash SHA512
bug_bounty:
  published: false
  platforms_checked: [HackerOne, Bugcrowd, Intigriti, YesWeHack]
  note: >-
    "Additionally we [are] under no obligation to reward the disclosure." — security.txt
submission_guidance:
  requires: precise, detailed reproduction steps; screenshots, samples or scripts welcome
  encryption_required: true
  response_sla: >-
    None. "Due to large amount of emails, we might not be able to respond to all reports of
    vulnerabilities."
out_of_scope:
- reports from automated tools or scans
- lack of, or insufficient, rate limiting on an endpoint
- outdated software without any noteworthy vulnerability
- missing security headers which do not lead directly to a vulnerability
- lack of CSRF tokens which do not lead directly to a vulnerability
- missing security best practice which does not lead directly to a vulnerability
- vulnerabilities previously disclosed to Back Market or discovered by Back Market
hosts_serving_security_txt:
- https://www.backmarket.com/.well-known/security.txt
- https://www.backmarket.fr/.well-known/security.txt
evidence:
- source: well-known/back-market-security.txt
  kind: security.txt (RFC 9116, PGP-signed)
- source: https://www.backmarket.com/.well-known/security.txt
  kind: live fetch
  http_status: 200
  fetched: '2026-08-02'
- source: https://www.backmarket.fr/.well-known/security.txt
  kind: live fetch
  http_status: 200
  fetched: '2026-08-02'

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