Early access: the directory is still filling out, and every rating here is a reported experience.
NR Unrated
MetaMask
MetaMask HackerOne
3 more reviews needed for a grade
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Found a vulnerability?

If you would rather not deal with the vendor yourself, a BugRater analyst will submit it upstream on your behalf, with your explicit permission, and tell you what came back.

Ask BugRater to submit it

Private. The report body is encrypted at rest; BugRater holds the key, so the analyst working it can read it. Every read is logged.

Program metrics HackerOne · published

HackerOne’s own figures for this program, read from its public page, not reported by researchers and not part of the BugRater grade. Captured 3 Oct 2026.

What it pays, by severity

Critical $1,000 avg 9 reports indicative
High $8,333 avg 42 reports firm
Medium $906 avg 149 reports firm
Low $750 avg 126 reports firm

$731,105 paid to researchers in total, $44,200 of it in the last 90 days. Lifetime figure as HackerOne prints it: evidence this program has paid, not a promise about any one report.

Intake & responsiveness · last 90 days

Reports received
424
in 90 days
Resolved
389
all time, last one 8 days ago
Participants
358
hunters engaged
Response efficiency
72%
below its own targets, HackerOne’s figure
SLA misses
0
targets missed
Reports received · day by day, last 17 days 275–424
4 Sep 424 reports 3 Oct

Response targets it sets itself

First response
1 day
Triage
10 days
Bounty
20 days
Resolution
30 days

A target the program declared, not a measurement of it being met.

Getting in the door

Open to submit. Nothing HackerOne publishes stands between a hunter and a first report here.

Over 43 days (35 snapshots): intake up 113 reports; response efficiency up 4 points; 90-day payout up $29,250.

See how this programme’s report load compares to others →

Reviews

0 published

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Who this program credits

368 credited

Researchers HackerOne shows on this program’s public thanks list, best position first. “Recognised” is how many of a hunter’s submissions the program accepted; the ratio is their signal here, not our judgement of them.

# Researcher Reputation Recognised / submitted
1 pkkr 956 24 / 79 30%
2 nagli 358 14 / 25 56%
3 frozzipies 349 16 / 46 35%
4 imnarendrabhati 308 19 / 34 56%
5 renwa 221 7 / 7 100%
6 antipattern 214 7 / 14 50%
7 codermak 199 7 / 24 29%
8 mersa-v6 196 9 / 22 41%
9 p1security 194 7 / 8 88%
10 cantina-security 180 5 / 61 8%
11 n3s7l3 164 5 / 8 63%
12 holybugx 152 6 / 9 67%
13 milankatwal99 143 10 / 19 53%
14 thaivu 142 6 / 9 67%
15 m0chan 132 8 / 19 42%
16 sw33tlie 130 6 / 6 100%
17 sakhauathr99 123 5 / 8 63%
18 youstin 122 7 / 10 70%
19 mickeyjoe 118 4 / 11 36%
20 t41nk 117 6 / 10 60%
21 renekroka 115 3 / 3 100%
22 decodingcode 101 2 / 10 20%
23 syarif07 94 8 / 33 24%
24 nicocha30 93 3 / 6 50%
25 godiego 92 6 / 14 43%

Showing the top 25 of 368 credited on HackerOne.

Program profile HackerOne · imported

Facts published by HackerOne on the program's own page, not reported by researchers, and not part of the BugRater grade. Last checked 30 Sep 2026.

MetaMask is a self-custodial wallet used to manage your identity, digital assets and explore web3. Available as a browser extension and mobile app.

Responsiveness
69% HackerOne’s figure
Swag
Offered
Currency
USD
Submissions
Open
Launched
Jun 2022
Scope entries
41 HackerOne’s count

Scope

41 assets
AssetTypeEligibilityMax severity
api-wallet.web3auth.io URL ✓ bounty Critical
Authentication component OTHER ✓ bounty Critical
Firefox Extension: https://addons.mozilla.org/en-US/firefox/addon/ether-metamask/ OTHER ✓ bounty Critical
https://metamask.github.io/phishing-warning/<vX.Y.Z> OTHER ✓ bounty Critical
io.metamask GOOGLE PLAY APP ID ✓ bounty Critical
Show all 41 assets
AssetTypeEligibilityMax severity
io.metamask.Metamask APPLE STORE APP ID ✓ bounty Critical
MetaMask Browser Extension OTHER ✓ bounty Critical
MetaMask Message Signing Snap OTHER ✓ bounty Critical
MetaMask SDK OTHER ✓ bounty Critical
metamask.io URL ✓ bounty Critical
mUSD Stablecoin OTHER ✓ bounty Critical
signature-insights.api.cx.metamask.io URL ✓ bounty Critical
Snaps OTHER ✓ bounty Critical
snaps.metamask.io URL ✓ bounty Critical
wallet.web3auth.io URL ✓ bounty Critical
*.api.cx.metamask.io WILDCARD out None
api-dashboard.web3auth.io URL out None
card.metamask.io URL out None
community.metamask.io URL out None
Core Tier Assets OTHER out None
dashboard.web3auth.io URL out None
developer.metamask.io URL out None
https://*.metamask.io WILDCARD out None
https://github.com/Web3Auth/web3auth-web SOURCE CODE out None
https://metamask.github.io/ OTHER out None
https://metamask.github.io/* WILDCARD submit only Critical
https://mmi-support.metamask.io/ URL out None
https://support.metamask.io/ URL out None
https://user-storage.api.cx.metamask.io URL out None
https://www.npmjs.com/search?q=%40metamask OTHER out None
Message signing snap OTHER out None
Metamask Flask Extension OTHER out None
metamask.github.io URL out None
Non-Core Tier Assets OTHER out None
permissionless.snaps.metamask.io URL out None
portfolio.metamask.io (app.metamask.io) URL out None
Secret Recovery Phrase brute-forcing OTHER out None
Snaps Development Packages SOURCE CODE out None
Third Party Snaps OTHER submit only None
travel.metamask.io URL out None
Wallet Tier Assets OTHER out None