Odaily.News Polymarket Faces Security Incident Due to Internal Wallet Key Leak
Article Content
Browse articles 
- •A private key leak led to over $520,000 drained from Polymarket's internal wallet.
- •User funds and market settlements are reported to be safe by Polymarket staff.
- •The incident is not related to Polymarket's contracts or core infrastructure.
Polymarket has reported a security incident involving a private key leak from an internal operational wallet. The leak has resulted in the draining of over $520,000 from the Polymarket UMA CTF Adapter contract on the Polygon network. Despite the incident, Polymarket staff, including Shantikiran Chanal, assured users that their funds and market settlements remain safe. The investigation confirmed that the issue is not related to the platform's contracts or core infrastructure. Further updates are expected as the investigation continues.
Ask AI about this cluster
Answers cite the sources they use
Updated 154d ago How this analysis works
Timeline
2026-05-22
Security incident reported by ZachXBT
ZachXBT reported a security incident involving a private key leak affecting Polymarket's internal wallet.
Bitget2026-05-23
Polymarket confirms user funds are safe
Polymarket staff confirmed on platform X that user funds and market settlements remain secure despite the incident.
Odaily.News2026-05-23
Investigation into private key leak ongoing
Polymarket is conducting an investigation into the private key leak and will provide further updates.
Odaily.NewsMore articles in this cluster (3)
Following this threat?
Track Polymarket in your own feed — you're alerted when they show up in new reporting, leak sites or exploitation.
Free account · no card needed
Continue Reading
Critical BeyondTrust 9.3 Vulnerability Actively Exploited by Threat Actor A critical vulnerability (CVE-2026-102764) in BeyondTrust Remote Support has been discovered and is actively being exploited by the threat group ARMORY CASTLE, reportedly linked to China. The vulnerability, which has a CVSS score of 9.3, allows unauthenticated attackers to upload files and potentially compromise host… 
Lazarus APT Launches Operation FlashHole Using AI and Post-Quantum Cryptography Kaspersky has identified a cyberespionage campaign, dubbed Operation FlashHole, attributed to the Lazarus APT group, active since July 2025. The campaign has targeted at least three organizations in South Korea's construction, software, and wire-communication sectors. Attack methods include spear-phishing emails…