ChainBleedv0.1 · open intel
← back to feed·2022-12-02 · 3y ago
Incident · SLOWMIST

Helio

The impact of the Ankr vulnerability
Estimated loss
$19.00M
VERDICT —UNRATED
Verdict pending. Auto-ingested incidents are reviewed before a public verdict is rendered.
▰ METHOD
Undisclosed
Root cause

Root-cause analysis not yet published. The incident description below contains all currently available signal — review the attack transaction directly for definitive forensics.

Forensic narrative

After the attack on Ankr’s aBNBc token, an address exchanged 10 BNB for 15.5 million BUSD with the help of the Ankr vulnerability, resulting in the emptying of the Hay liquidity pool. Another user made a profit through the same method, with an income of about $3.5 million. Helio Protocol tweeted that the BNB pledged by users is safe, and the official is in close communication with the Ankr team to discuss the restart plan of aBNBc. Attack method (per SlowMist): The impact of the Ankr vulnerability. Reported loss: $ 19,000,000.

Primary source
https://rekt.news/ankr-helio-rekt/
Sourced from
slowmist
Technical record
chain
protocol
Helio
bug_class
unknown
date_occurred
2022-12-02
loss_usd
$19,000,000
source_id
sm:helio::2022-12-02
Related — same bug class
2026-05-16
25d ago
ETH
Adshares
Bridge-Minter Fake-Mint Exploit (wADS)
bridge
$628.0K
AMBIGUOUS
2026-05-15
26d ago
MULTI
THORChain
Cross-Chain Router Exploit (multi-chain drain)
bridge
$10.70M
AMBIGUOUS
2026-05-13
27d ago
BSC
Mail Token
BSC token contract exploit (vector undisclosed)
accounting
$54.6K
UNRATED
2026-05-13
27d ago
ARB
ShapeShift FOX Colony (Colony Network)
executeMetaTransaction → resolver-repoint via setTarget → delegatecall drain
access-control
$132.7K
AUDIT-CATCHABLE
2026-05-13
28d ago
ETH
Transit Finance
Contract Vulnerability
logic
$1.88M
UNRATED
2026-05-13
28d ago
ETH
TAC Cross-Chain Layer (TON Side)
Contract Vulnerability
logic
$2.80M
UNRATED
ChainBleed — live web3 threat intelligence