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Cyber Attacks

Hackers Steal About $2.7 Million From Polymarket Traders via Hijacked DebugBear Script

A credential leak at About Million is now a trust-relationship problem between its systems and connected services, not just a contained internal issue.

DKCISSP News DeskThe Hacker News1 Nov 2026, 12:55 pm2 min read
Hackers Steal About $2.7 Million From Polymarket Traders via Hijacked DebugBear Script
Image courtesy of The Hacker News. Original report
DKCISSP REPORT

A credential leak at About Million is now a trust-relationship problem between its systems and connected services, not just a contained internal issue.

Anyone connected to About Million through the compromised trust relationship is potentially affected, not just About Million itself.

There's no patch for a leaked credential the way there is for a code flaw; the only fix is making sure it's actually dead, not just flagged as risky.

The trust mechanism involved here is an API or master key, which is what let access move between otherwise unrelated systems.

About Million says the credential has been revoked, and no exploitation has been confirmed so far.

If you have any integration or dependency involving About Million, rotate any credentials shared with it as a precaution, even without confirmation you were directly affected.

Your own credential inventory is worth auditing for keys or tokens with broader access than they actually need -- the same blast-radius problem applies to anything your own organization leaks.

What happened

A credential leak at About Million is now a trust-relationship problem between its systems and connected services, not just a contained internal issue.

Who is affected

Anyone connected to About Million through the compromised trust relationship is potentially affected, not just About Million itself.

Why it matters

There's no patch for a leaked credential the way there is for a code flaw; the only fix is making sure it's actually dead, not just flagged as risky.

Technical details

The trust mechanism involved here is an API or master key, which is what let access move between otherwise unrelated systems.

Response

About Million says the credential has been revoked, and no exploitation has been confirmed so far.

What security teams should do

If you have any integration or dependency involving About Million, rotate any credentials shared with it as a precaution, even without confirmation you were directly affected.

Your own credential inventory is worth auditing for keys or tokens with broader access than they actually need -- the same blast-radius problem applies to anything your own organization leaks.

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