$UMA Catalyst Posts
May 22, 2026Single-day social intelligence recap and verified catalyst posts · ← Back to $UMA Profile · Market Rankings
💬 Curated Viral Posts & Community Evidence
59 source posts analyzed· 2026-05-22T15:44:01+00:00After the UMA update, any wallet holder like Trust Wallet, MetaMask, Exodus — can now vote on Polymarket dispute resolutions in literally 2 clicks. UMA-VOTE.XYZ Most people still don’t realize how big this is Read the article: medium.com/@hghhgp7njzhng …
· 2026-05-22T08:23:41+00:00POLYMARKET UMA CTF ADAPTER CONTRACT APPEARS TO HAVE BEEN EXPLOITED ON POLYGON: ZACHXBT
· 2026-05-22T12:09:58+00:00looks like this polymarket exploit could have been worse: the compromised admin wallet wasn't just holding USDC and POL it had `resolveManually()` rights on the UMA Adapter which bypasses the oracle and forces any market outcome on polymarket the attacker could have: - bought
· 2026-05-22T10:18:58+00:00No polymarket or UMA contracts have been exploited. All user funds are safe, and using Polymarket.com is safe, so business as usual. We had a 6-year-old private key that was compromised. This was in the internal top-up config, which is why funds were being sent to it.
· 2026-05-22T09:32:52+00:00ALERT: ZachXBT says a Polymarket-linked UMA adapter on Polygon may have been exploited for at least $520K.
· 2026-05-22T11:39:49+00:00another exploit because of key compromise the $660K stolen happened in separate events: 1) the USDC ($600K+) was a one-time drain from wallet 0x8F98 (UMA CTF Adapter Admin on Polygon) 2) polymarket's top-up automation was sending 5,000 POL every ~30 seconds to keep the oracle
· 2026-05-22T08:43:19+00:00ALERT: WORLD’S LARGEST PREDICTION MARKET HIT FOR $520K ZachXBT has flagged a suspected exploit of Polymarket’s UMA CTF Adapter contract on Polygon, with reported losses now at $520K.
· 2026-05-22T08:51:11+00:002/ @zachxbt was the first to share the exploit and identify that it was a Polymarket UMA CTF adapter contract. The attacker has already split the funds across 15 addresses. More updates soon. Attacker address:
· 2026-05-22T09:02:25+00:00ZachXBT flags suspected exploit involving Polymarket's UMA adapter contract on Polygon
· 2026-05-22T13:29:23+00:00A UMA CTF adapter contract linked to @Polymarket appears to have been drained for ~$520K on @0xPolygon . The contract in question is an oracle layer that helps resolve prediction markets through UMA's Optimistic Oracle. On-chain data shows 100+ small transfers flowing into the
· 2026-05-22T08:34:46+00:00POLYMARKET EXPLOITED ON POLYGON The UMA CTF Adapter contract appears to have been hacked. Over $520K has been drained so far. Attacker address: 0x8F98075db5d6C620e8D420A8c516E2F2059d9B91T This is still developing.
· 2026-05-22T08:45:10+00:00Polymarket UMA CTF Adapter contract potentially being exploited right now on Polygon Attacker address: 0x8F98075db5d6C620e8D420A8c516E2F2059d9B91 From contract 0x91430CaD2d3975766499717fA0D66A78D814E5c5 Batches of 5-10k POL getting out every minute for over one hour now
· 2026-05-22T09:26:29+00:00Polymarket's UMA CTF Adapter contract on Polygon appears to have been exploited, with hackers reportedly stealing $573.8K . According to @devjoshstevens (VP of Engineering), this was not a smart contract hack, but the result of a compromised old PK. All user funds on Polymarket
· 2026-05-22T08:53:42+00:00It looks like some shitty UMA contract was hacked. Right now, the hacker is withdrawing funds from an address intended for paying fees on Polymarket (if I understood correctly). The integrity of the markets was probably not affected, but until there’s an official statement from
· 2026-05-22T12:26:00+00:00all funds are safe, no user money at risk. quick summary: > no Polymarket or UMA contracts were hacked > an old 6 year old internal private key was compromised > this key was only used for an automated internal refiller (not user funds) > team immediately rotated the key and
· 2026-05-22T08:38:57+00:00ZachXBT: Suspected Attack on Polymarket, the World’s Largest Prediction Market According to a ZachXBT community alert, Polymarket’s UMA CTF Adapter contract on the Polygon chain is suspected of being attacked. The incident has resulted in losses exceeding $520k. The
· 2026-05-22T14:57:31+00:00Polymarket just got drained by a 6 year old private key. Over $600K STOLEN, 5,000 tokens at a time. > This morning onchain investigator ZachXBT flagged suspicious outflows from two Polymarket contracts on Polygon. > An automated script was draining the platform's UMA CTF
· 2026-05-22T08:41:02+00:00In my opinion, @Polymarket should replace $UMA . Oracle with their own using $POLY as soon as possible. That way, you have full control over everything. Right now, a project with a $50M market cap is managing a project with a billion-dollar valuation, and the controversies
· 2026-05-22T08:45:38+00:00NOTE: UMA adapter is used for resolving markets on Polymarket, this does not affect user funds
· 2026-05-22T16:35:28.034525+00:00Polymarket Suffers POL Drain as Team Rules Out Contract Exploit Polymarket, the blockchain-based prediction market platform, is reportedly dealing with a drain of POL tokens from its ecosystem. The team has stated that the incident was not caused by an ex
· 2026-05-22T11:13:56+00:00UPDATE: Polymarket’s VP of Engineering says no Polymarket or UMA contracts were exploited, and all user funds are safe. The issue was reportedly a compromised 6y/o private key used in an internal top-up config. Polymarket says the key has now been rotated, production
· 2026-05-22T08:27:27+00:00BREAKING: Polymarket’s UMA CTF Adapter contract on Polygon appears to have been exploited. Over $520,000 has reportedly been drained so far from the protocol. Source: @zachxbt
· 2026-05-22T06:40:33+00:00Mastering the fundamentals of #polymarket geopolitics: 1. The vast majority of NO options will suddenly go to zero or plummet due to news-driven events, and combined with the UMA mechanism, NO option risk exposures require even greater caution; 2. YES options gradually trend
· 2026-05-22T08:58:41+00:00There have been reports of an exploit targeting the largest prediction market in the world Polymarket UMA CTF adapter contract So far, attackers have reportedly stolen over $520k in $POL . According to ZachXBT, agencies and investigators are already tracking the movement of
· 2026-05-22T09:33:16+00:00Polymarket under attack!!! Withdraw first if you have funds => The attacker is actively draining funds from Polymarket's UMA CTF Adapter (oracle/dispute resolution contract on the Polygon chain). => Approximately 5000 POL is being extracted from the adapter contract every 30
· 2026-05-22T10:28:57+00:00Polymarket’s UMA adapter is being exploited. Over $500K has already been drained across ~15 wallets. This isn’t a stolen key or phishing attack. The issue is in the market resolution logic itself. Attackers can: • create a market • set their own reward amount • have the
· 2026-05-22T15:13:43+00:00The sheer quantity of incorrect, half and fake news being published is insane. No polymarket or UMA contracts have been exploited. All user funds are safe, polymarket.com is safe. A 6 year old private key got compromised which had no admin rights.
· 2026-05-22T09:14:23+00:00Possible @Polymarket exploit on Polygon Reports suggest a UMA CTF adapter contract is being drained 5K POL per cycle, with funds already split across multiple wallets Address flagged: 0x8F98075db5d6C620e8D420A8c516E2F2059d9B91 Nothing confirmed yet, but activity looks
· 2026-05-22T08:30:28+00:00JUST IN: According to ZachXBT, the @Polymarket UMA CTF Adapter contract on Polygon appears to have been potentially exploited, with over $520K drained so far.
· 2026-05-22T09:32:38+00:00JUST IN: Polymarket’s UMA adapter contract on Polygon reportedly exploited, with around $520K drained. Polymarket says it is investigating the issue and assures user funds on the platform remain safe.
· 2026-05-22T11:05:49.593311+00:00Polymarket team says user funds safe as exploit losses climb above $600K Polymarket confirmed a security exploit affected part of its infrastructure, pointing to a possible private key compromise involving a wallet used for top-up operations, while saying user fun
· 2026-05-22T11:25:47.923868+00:00Attackers drain more than $520,000 from Polymarket contract A Polymarket security incident drained more than $520,000 in collateral from the platform’s UMA CTF Adapter contract on Polygon on May 22, 2026. On-chain investigator ZachXBT flagged the inci
· 2026-05-22T10:58:58+00:00Polymarket lost $520K so far Not a smart contract exploit apparently but still unclear Likely another private key compromised attacker had been calling `resolve()` on the UMA adapter for months. But funds have moved through ChangeNOW and are gone Web3 = Hackers paradise
· 2026-05-22T08:50:07+00:00มีรายงานจาก @zachxbt บน Telegram ขณะนี้เกิดช่องโหว่บน Polymarket’s UMA CTF Adapter ซึ่งจุดนี้เป็นสะพานเชื่อม oracle ผลลัพธ์ของการทายผลกับระบบจ่ายเงินให้ผู้ทายผลถูก ปัจจุบันเงินยังถูก drain ออกอย่างต่อเนื่องครับ ดูกระเป๋า attacker ได้ที่ polygonscan.com/address/0x8f98 …
· 2026-05-22T09:50:52+00:00Polymarket's UMA CTF Adapter contract is being exploited right now. • 5,000 $POL drained every 30 seconds • $660K+ stolen so far • Funds already split across 15 addresses • First flagged by @zachxbt If you have funds on Polymarket, pause all activity immediately.
· 2026-05-22T15:46:02.232871+00:00Polymarket Faces Scrutiny After Reported Exploit Polymarket is facing scrutiny after a reported exploit targeting its UMA CTF adapter contract on Polygon, with losses reportedly exceeding $520,000. The incident was flagged by developer Josh
· 2026-05-22T10:25:49.404537+00:00Polymarket Confirms User Funds Safe After Exploit, Core Infrastructure Unaffected BitcoinWorld Polymarket Confirms User Funds Safe After Exploit, Core Infrastructure Unaffected Polymarket, the leading decentralized prediction market platform, has moved to reassure users fo
· 2026-05-22T20:55:58.658930+00:00Polymarket Hack Sparks Fears of POL USD Price Crash Key Points Exploit on Polymarket’s UMA CTF Adapter drained over $500,000 in POL. Incident pressures Polygon’s credibility as DeFi settlement layer. Polygon’s role as a DeFi settlement layer i
· 2026-05-22T09:25:45.809375+00:00Polymarket’s UMA Adapter Contract Exploited for $520K on Polygon, ZachXBT Reports BitcoinWorld Polymarket’s UMA Adapter Contract Exploited for $520K on Polygon, ZachXBT Reports A UMA CTF adapter contract linked to the prediction market platform Polymarket has been exploite
· 2026-05-22T14:55:47.525137+00:00Polymarket hit with congressional probe over classified-info betting claims The U.S. House Committee on Oversight and Government Reform has opened an investigation into Polymarket and Kalshi over concerns tied to insider trading and wagers allegedly linked to classif
· 2026-05-22T13:15:47.895010+00:00Polymarket Says User Funds Safe After POL Drain Hits Internal Wallet Polymarket’s developer team linked the POL drain to a private-key compromise involving an internal wallet used for top-up and rewards operations, with user funds and market resolution safe. T
· 2026-05-22T08:32:05+00:00POLYMARKET EXPLOITED ON POLYGON The UMA CTF Adapter contract appears to have been hacked. Over $520K has been drained so far. Attacker address: 0x8F98075db5d6C620e8D420A8c516E2F2059d9B91T his is still developing.
· 2026-05-22T08:42:14+00:00According to ZachXBT, the Polymarket UMA CTF Adapter contract on $POL appears to have potentially been exploited. $520K drained so far. Even prediction markets are not safe.
· 2026-05-22T13:00:06+00:00ALERT Polymarket was just exploited for $520K on the UMA CTF Adapter contract (Polygon). ZachXBT discovered the attacker manipulated oracle resolution, with attack costs as low as $0.10 per instance. And here's the crazy part: This is already the third oracle exploit on
· 2026-05-22T09:43:47+00:00POLYMARKET ATTACKED, LOSSES EXCEED 520,000 USD The crypto community is buzzing with news that the Polymarket UMA CTF Adapter contract on the Polygon network shows signs of being exploited. According to on-chain detective @zachxbt , the attacker (wallet 0x8F98...9B91) quickly
· 2026-05-22T09:15:24+00:00POLYMARKET EXPLOTED AGAIN This time the $UMA CTF Adapter contract on Polygon the system deciding whether markets resolve YES or NO was drained for over $660,000 after an exploit flagged by @zachxbt . And this wasn’t an isolated incident. → Nov 2024: phishing attack, $500K
· 2026-05-22T10:43:38+00:00BREAKING: @POLYMARKET SAYS USER FUNDS SAFE, NO EXPLOIT OF POLYMARKET OR UMA CONTRACTS!!!
· 2026-05-22T16:05:50+00:00Polymarket, the world's largest prediction market, just weathered a $520K security incident. An attacker exploited a six-year-old private key from an internal wallet config, draining funds from the UMA CTF Adapter contract on Polygon. ZachXBT followed the trail as the stolen
· 2026-05-22T08:36:53+00:00UMA adapter is used for resolving markets on Polymarket!!!
· 2026-05-22T09:15:20+00:00BREAKING: Polymarket’s UMA CTF Adapter contract on Polygon appears to have been exploited. Over $520,000 has reportedly been drained so far from the protocol. Source: @zachxbt
· 2026-05-22T09:57:39+00:00BREAKING POLYMARKET'S UMA CTF ADAPTER ON POLYGON ($MATIC) JUST GOT EXPLOITED. $520,000 DRAINED SO FAR ACCORDING TO ZACHXBT. PREDICTION MARKETS. ON-CHAIN. NOT AS SAFE AS THE ODDS SUGGEST.
· 2026-05-22T09:29:37+00:00the good thing about the UMA adapter is that it separates user funds from market resolution.
· 2026-05-22T13:05:53.250974+00:00Polymarket Hack News: Attack Hit UMA Adapter Contracts for $520k Polymarket Hack Targets UMA Contracts on Polygon: Are User Funds Safe? Polymarket, the world’s largest prediction market, is dealing with a major security scare on the Polygon network today.
· 2026-05-22T09:45:42.043662+00:00Polymarket hit? ZachXBT flags $520K UMA adapter loss Polymarket’s UMA CTF Adapter contract on Polygon has reportedly been targeted in a suspected exploit, with onchain analysts warning users to pause activity. Summary ZachXBT flagged a suspecte
· 2026-05-22T10:15:49.458282+00:00Polymarket Aims to Launch Prediction Markets in Japan by 2030 Polymarket has appointed a representative in Japan. The company reportedly views Japan as a significant growth opportunity. Polymarket is seeking government authorization to operate predictio
· 2026-05-22T10:55:45.814948+00:00Polymarket Admin Wallet Exploited on Polygon, Says ZachXBT Popular on-chain sleuth ZachXBT warned earlier today that an admin address of Polymarket appeared to have been compromised on the Polygon blockchain. At first, he noted that the stolen amount
· 2026-05-22T12:55:46.068245+00:00Polymarket Incident Drains Up To $700K In POL As User Funds Remain Safe Polymarket became the focus of a fast-moving security scare after early onchain alerts described attackers removing 5,000 POL roughly every 30 seconds from infrastructure linked to the platfo
· 2026-05-22T09:45:42.043657+00:00Suspected Exploit Drains Polymarket UMA CTF Adapter of Over $660,000 in POL Tokens on Polygon The leading prediction market platform Polymarket is dealing with a suspected exploit on its UMA CTF Adapter contract deployed on the Polygon network. On-chain analyst ZachXBT first flagged t
· 2026-05-22T14:15:48.024617+00:00Polymarket Admin Wallet Compromised on Polygon — $520,000 Drained From Internal Operations Address Polymarket, the world’s largest prediction market platform, has confirmed that one of its administrative wallets was compromised on Polygon, with attackers draining more than $520,000 from ad