Tumblr · Vulnerability Disclosure

Tumblr Vulnerability Disclosure

Vulnerability disclosure

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

SocialPublic APIs
Program: Hackerone security.txt present

Disclosure Policy

Policy
https://hackerone.com/automattic

Security Contact

Contact
https://hackerone.com/automattic/reports/new

Source

Vulnerability Disclosure

tumblr-vulnerability-disclosure.yml Raw ↑ 
generated: '2026-07-11'
method: searched
probe: true
source: https://www.tumblr.com/.well-known/security.txt
policy:
- https://hackerone.com/automattic
contact:
- https://hackerone.com/automattic/reports/new
evidence:
- source: https://www.tumblr.com/.well-known/security.txt
  kind: security.txt (live probe)