Elfster
Vulnerability disclosure program on security.txt elfster.com
- Top reward
- No cash rewards
- Top severity paid
- Not published
- Assets in scope
- 4
- 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.
- Response
-
Within 3 days
An acknowledgment of your report within 3 business days
- Safe harbor
-
Full
Elfster will not pursue legal action against researchers who discover and responsibly disclose vulnerabilities in accordance with this policy.
- Hall of fame
-
Yes
Credit in our Vulnerability Hall of Fame (with your permission)
Summarised with AI from the company's policy, read 12 Nov 2026, and checked word for word against it. Read the original
Scope
4 assets you may test, 4 excluded.
APIs 1
- Elfster APIs
Domains 1
- elfster.com
Wildcard domains 1
- www.elfster.com and all subdomains
Products and areas 1
- The Elfster iOS and Android mobile applications
Out of scope (4)
- Denial of service attacks
- Physical security issues
- Social engineering or phishing attacks against Elfster employees
- Vulnerabilities in third-party services or libraries that are not specific to our implementation
Rules
What the policy asks of you, and the bug types it won't reward, quoted from Elfster's policy. "We" in these lines means the program, not this site.
While testing
-
Make a good faith effort to avoid privacy violations and disruption to our services
-
Only interact with accounts you own or have explicit permission to test
-
Do not access, modify, or delete user data
-
Report vulnerabilities promptly and give us reasonable time to respond before any public disclosure
Not accepted
-
Denial of service attacks
-
Social engineering or phishing attacks against Elfster employees
-
Physical security issues
-
Vulnerabilities in third-party services or libraries that are not specific to our implementation
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 12 Nov 2026. Last checked 2 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.
No CVEs matched yet. We match NVD records by vendor name, so products sold under another name can be missing.