SubQuery Network Hack

TOTAL LOST $60K
Low Acces Control Exploit base

Summarize with AI

Affected Chain base Incident surface
Recovered - No recovery reported
All-Time Rank #1648 By amount stolen
Year 2026 Incident year

Incident Overview

SubQuery Network (SQT) is a cryptocurrency launched in 2024and operates on the Ethereum platform. SubQuery Network has a current supply of 10,213,304,942.35347467 with 3,786,738,541.82711387 in circulation. The last known price of SubQuery Network is 0.00044795 USD and is up 26.35 over the last 24 hours.

It is currently trading on 26 active market(s) with $165,959.15 traded over the last 24 hours. More information can be found at https://www.subquery.network.

Incident Report

Protocol / Project SubQuery Network
Date of Incident
Affected Chain(s) base
Attack Technique Acces Control Exploit
Classification Protocol Logic
Primary Source View Post-Mortem

Protocol Information

Smart Contract Language Solidity
Official Website www.subquery.network
Protocol Twitter/X @subquerynetwork

Market Context at Time of Hack

Token Price at Hack $0.00050108
Market Cap at Hack $1.9M
% of Market Cap Stolen 3.16%
Token Categories
Cosmos Ecosystem Enterprise Solutions DApp Ethereum Ecosystem Analytics DCG Portfolio Polygon Ecosystem Fantom Ecosystem

What the Attacker Needed to Succeed

Understanding the prerequisites for this type of attack helps auditors identify protocols that are most at risk and helps developers build better defenses.

Technical Knowledge Deep understanding of acces control exploit and Solidity and EVM internals
Capital Required Seed capital to cover gas and initial position setup
On-Chain Access Ability to interact with base smart contracts and deploy a custom exploit contract
Protocol Analysis Identification of the exploitable vulnerability in SubQuery Network's contract logic - root cause: protocol logic
Execution Speed Precise transaction ordering and timing to exploit the vulnerability within a single atomic block
Obfuscation Plan A strategy to launder and move stolen funds - typically through mixers, cross-chain bridges, or decentralized DEX swaps to resist tracing

What Auditors Should Check

Could this have been caught in audit? Likely — with a thorough Acces Control Exploit audit checklist and test coverage

If you're auditing a protocol with similar architecture to SubQuery Network, these are the critical security checks that could have prevented this incident (April 2026).

  • Verify all logic paths related to Acces Control Exploit are guarded by proper access controls and input validation - see the Access Control Attacks attack class for patterns
  • Review privileged functions (owner, admin, governance) for potential abuse vectors - centralization risks should be documented and bounded with timelocks or multi-sigs

Master these auditing techniques with hands-on labs and real exploit scenarios in the Smart Contract Hacking course.

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Related Attack Classes

The technique used in this hack maps to these vulnerability classes in our security curriculum:

See all Access Control Attacks examples →

Sources & References

Learn to Prevent the Next SubQuery Network

The SubQuery Network hack is one of many attacks that skilled auditors are trained to detect before deployment. Master real exploit patterns and defense techniques with hands-on Web3 security training.

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