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Ethereum Postpones Glamsterdam Test Upgrade Amid Contract Vulnerabilities

Ethereum developers have delayed the Glamsterdam upgrade on the Hoodi testnet after Chainsecurity identified 13 smart contracts exhibiting potentially vulnerable behavior. The postponement casts uncertainty on the planned December mainnet upgrade.

Ethereum Postpones Glamsterdam Test Upgrade Amid Contract Vulnerabilities

Ethereum Upgrade Delayed Due to Security Concerns

The Ethereum network's planned Glamsterdam upgrade on the Hoodi testnet has been postponed following the discovery of potential vulnerabilities in deployed smart contracts. Security firm Chainsecurity identified 13 contracts that could be susceptible to failures resulting in permanent loss of functionality, according to a report from Bitcoin.com News.

Originally slated for activation on October 26th, the delay raises questions about the timeline for Ethereum’s broader upgrade plans. Developers are now reassessing the identified contracts and working to mitigate the risks before proceeding with testing. This impacts the tentative window for a mainnet upgrade currently projected for December.

The nature of the vulnerability centers around temporary smart contract failures potentially becoming irreversible. While the specific details of the flawed contracts haven’t been publicly disclosed, the delay underscores the importance of rigorous security audits and testing before implementing significant network changes. The Ethereum community prioritizes network stability and security, and this pause reflects that commitment.

Further updates regarding the rescheduled testnet activation and the overall upgrade timeline are expected from Ethereum developers in the coming days.

Market context

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Market data reflects conditions at publication time and is not updated in real time.

Data captured at: Oct 24, 2026 02:42 (Tehran)

Likely market impact

SegmentOutlook
Bitcoin● Neutral
Ethereum▼ Negative
Altcoins● Neutral
Short term● Neutral
Long term● Neutral

Spot prices at publication

₿
BTC/USDTBitcoin
$81,180.00-0.30% 24h
Ξ
ETH/USDTEthereum
$2,387.22-0.10% 24h
◎
SOL/USDTSolana
$102.90-0.75% 24h

Fear & Greed Index

50Neutral
Extreme FearFearNeutralGreedExtreme Greed

Chart

Source: Bitcoin.com News

Research and education only — not financial advice. Digital assets carry substantial risk; decisions remain yours.

Source: Bitcoin.com News

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