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Bitget: Third-Party Security Product Zero-Day Used to Steal $388M

Bitget loses $388M to a third-party zero-day exploit, 16,000 Supabase databases leak PII, and Authlib's JWS bug allows unsigned token bypass.

๐Ÿ’ฅ BREACHES & INCIDENTS

  • Bitget: Attacker Exploited Third-Party Security Product Zero-Day to Steal $388M
    Bitget says an attacker exploited a zero-day in a third-party security product to steal about $388 million from its hot and warm wallets.

    • Bitget crypto exchange customers affected; ~$388M stolen from hot and warm wallets on September 24, 2026; cold wallets and customer balances unaffected
    • Attacker exploited a zero-day flaw in an unnamed third-party security product to obtain high-level internal credentials and access an internal management system
    • Fraudulent withdrawal commands were inserted into wallet backend services, spoofing transaction data to trigger approvals; two small test transfers evaded risk controls before larger transfers 30 minutes later
    • Activity was disguised as routine administrative operations using legitimate credentials; no private keys were compromised
    • Bitget suspects North Korean hackers (TRM Labs flagged TraderTraitor overlaps); stolen-fund addresses published include 0x770b10b273fc44fe9197d6bf20f145c2e98463ee (Ethereum/EVM) and TBWNguTTgezw9dVorX441C6nDrZpRxYwKD (TRON); Mandiant and SlowMist assisting investigation
    Sources ๐Ÿ“„ Source: bitget.com ยท ๐Ÿ“Ž Coverage: thehackernews.com ยท ๐Ÿ‘ via The Hacker News
  • Misconfigured Supabase apps expose data in over 16,000 databases
    UpGuard researchers found more than 16,000 misconfigured Supabase databases exposing sensitive data including PII, passwords, and authentication tokens.

    • Supabase, an open-source PostgreSQL-based backend platform popular with AI-assisted developers, is affected โ€” AI-assisted development accounts for over 60% of newly created databases
    • Over 16,000 databases expose readable tables; more than half leak PII, with a smaller subset exposing passwords, authentication tokens, and possibly credit card data
    • Notable exposures include a US valet service (100,000+ customer records), a Canadian immigration service (~5,000 records with 884 plaintext passwords), and an African consulate (25,000 people's records)
    • The cause is poor configuration: missing or ineffective row-level security policies and misuse of public keys, often on sites built by AI coding agents whose owners don't understand the database setup
    Sources ๐Ÿ“„ Source: upguard.com ยท ๐Ÿ“Ž Coverage: bleepingcomputer.com ยท ๐Ÿ‘ via BleepingComputer
  • Authlib โ‰ค1.7.2 JWS bug lets unsigned tokens pass as verified (CVE-2026-96760)
    CERT/CC reports that Authlib's JWS deserialization treats JWS objects with an empty "signatures" array as fully verified.

    • Applies to apps and services using the Python Authlib library for OAuth, OIDC, JWT/JWS/JWE token validation โ€” all versions through 1.7.2.
    • JsonWebSignature.deserialize_json() assumes signatures are valid and skips all checks when the "signatures" list is empty, so unsigned payloads are treated as trusted.
    • Both load paths are affected: jws.deserialize_json({"payload":"...","signatures":[]}) and jws.deserialize('{"payload":"...","signatures":[]}') with key=None.
    • Attackers need no key material to forge payloads, enabling authentication bypass (e.g., sub=admin), forged role/scope claims, and signed-message injection between microservices.
    • No vendor response or official patch yet; tracked as CVE-2026-96760.
    Sources ๐Ÿ“Ž Coverage: kb.cert.org ยท ๐Ÿ‘ via CERT/CC Vulnerability Notes

๐Ÿ“‹ ADVISORIES

  • ๐Ÿ“„ Source for AI Agents Operate as Overprivileged Non-Human Identities Outside Traditional IAM Controls โ€” orchid.security

๐Ÿ”“ CVEs & KEV

  • CVE-2026-101110 โ€” ordasoft.com Book Library (Free) extension for Joomla โ€” CVSS 9.3 โ€” Joomla Extension - ordasoft.com - Unauthenticated SQL Injection in Book Libra...

  • CVE-2026-100752 โ€” ordasoft.com Real Estate Manager (Free) extension for Joomla โ€” CVSS 9.3 โ€” Joomla Extension - ordasoft.com - Unauthenticated SQL Injection in Real Estat...

  • CVE-2026-101108 โ€” ordasoft.com Vehicle Manager (Free) extension for Joomla โ€” CVSS 9.3 โ€” Joomla Extension - ordasoft.com - Unauthenticated SQL Injection in Vehicle Ma...

  • CVE-2026-97023 โ€” Red Hat Enterprise Linux 10 โ€” CVSS 7.1 โ€” Flatpak: flatpak: arbitrary file deletion in root context via path traversal ...

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