1 min read · Published 25 Aug 2026 · Updated 25 Aug 2026, 12:25 UTC
CryptoBriefing and The Cryptonomist EN give different dates for when Cosmos Labs disclosed the EVM module security incident.
CryptoBriefing and The Cryptonomist EN give different dates for when Cosmos Labs disclosed the EVM module security incident.
What all sources agree on
Cosmos Labs flagged an active security incident inside its EVM module.
Cosmos Labs urged connected EVM chains/validators to suspend or halt operations.
No specific vulnerabilities or names of affected chains have been disclosed.
Cosmos Labs has said a post-mortem/incident report will follow once the situation is resolved.
Where the reports disagree
1 Date the security incident was disclosed
Cosmos Labs disclosed on August 24 that an active security incident is targeting chains built with its Cosmos EVM module
CryptoBriefing 2026-08-25 00:23
The Cosmos security incident emerged on August 25th, 2026, and has already left the network’s native token with significantly reduced trading activity
The Cryptonomist EN 2026-08-25 00:52
What would settle it: Cosmos Labs’ own timestamped incident disclosure or official statement.
What to make of it
Treat the existence of the EVM module incident and the halt request as established; the exact disclosure date (Aug 24 or Aug 25) remains unresolved pending Cosmos Labs’ own timestamped statement.
Treat the existence of the EVM module incident and the halt request as established; the exact disclosure date (Aug 24 or Aug 25) remains unresolved pending Cosmos Labs’ own timestamped statement.
Update 25 Aug 2026, 08:20 UTC · added by BeInCrypto, crypto.news
crypto.news reports Cosmos Labs advised affected chains to request validator halts on Aug. 25, and cites KiiChain’s disclosure of 148,326,583.15 KII drained across 18 repeated attacks on Aug. 22. BeInCrypto adds that three networks have now disclosed impact: KiiChain and TAC froze their chains after attackers drained accounts, while MANTRA restarted its mainnet.
Update 25 Aug 2026, 10:17 UTC · added by AMBCrypto
AMBCrypto reports that Cosmos Labs urged validators on affected EVM chains to halt their chains entirely as a containment measure while the vulnerability was assessed, and puts a figure on the damage: 148.3 million KII tokens lost.
Original source: AltcoinGordon
Syndicated coverage. Originally reported by altcoingordon.com .