Balancer V2 — Cyber Threats, Attacks & Incidents

Threat entity extracted from intelligence sources

Frequency
6
occurrences
First Seen
November 3, 2025
Last Seen
March 24, 2026

Balancer V2 is a decentralized finance (DeFi) automated market maker (AMM) protocol that enables liquidity pools and token swaps.

Balancer V2 is a technology platform tracked across 6 threat clusters and 6 intelligence report mentions on ThreatCluster. First observed November 3, 2025; most recent activity March 24, 2026.

Overview

Balancer V2 is a decentralized finance (DeFi) automated market maker (AMM) protocol that enables liquidity pools and token swaps. Reports describe a hidden flaw in Balancer V2's smart contracts that was exploited, causing about $128 million in losses and triggering ecosystem disruptions (e.g., Berachain halting activity) and a broader debate on DeFi trust and security.

Related Threat Clusters

Recent Intelligence Reports

  • Balancer Labs Winds Down Months After $128M DeFi Exploit — Decrypt.Co · March 24, 2026
  • Crypto phishing losses plunge 83% in 2025 — Forklog · December 30, 2025
  • Balancer V2 Vulnerability Leads to Significant Financial Losses — Binance · November 6, 2025
  • How a Hidden Flaw in Balancer's Smart Contracts (V2) Led to a $128M Crypto Heist — Ccn · November 4, 2025
  • Crypto Community Divided on DeFi Trust Implications After $128M Balancer Exploit — Thedefiant · November 3, 2025
  • Berachain Halts Network Activity Due To Balancer V2 Exploit — Blockzeit · November 3, 2025

Frequently asked questions

What is Balancer V2?

Balancer V2 is a decentralized finance (DeFi) automated market maker (AMM) protocol that enables liquidity pools and token swaps.

Is Balancer V2 still active?

The most recent intelligence report mentioning Balancer V2 on ThreatCluster is dated March 24, 2026. Activity was first observed November 3, 2025, giving a tracked span from then to March 24, 2026.

What is Balancer V2 associated with?

Across ThreatCluster reporting, Balancer V2 most frequently co-occurs with Data Breach, Phishing, Supply Chain Attack, Arbitrum, Balancer, among 12 tracked related entities.

What are the latest developments involving Balancer V2?

The most significant recent cluster is “Balancer Labs Shuts Down After $128M Exploit Impacting DeFi Protocol” (4 articles · Updated March 24, 2026). Balancer V2 appears across 6 threat clusters in total, listed above with sources.

How much reporting does ThreatCluster have on Balancer V2?

Balancer V2 appears in 6 intelligence report mentions across 6 deduplicated threat clusters, aggregated from 17,000+ monitored sources.

CVSS v3.1 Breakdown