Polymarket: supply chain attack

Polymarket

Polymarket traders drained of $2M+ in supply chain attack

Do this now

Check Polymarket's advisory for a fix and restrict access to the platform meanwhile.

First seen: 30 Oct 2026
Last update: 30 Oct 2026, 12:19 UTC
Source: news

Check this repository for exposure to one security incident from pwned.coffee. Report first, change nothing until I say so.

## Polymarket: supply chain attack
Severity: unknown. Patch status: fix status unknown.
Affected: Polymarket

Polymarket traders drained of $2M+ in supply chain attack

## Steps
1. Search the repo, its CI and infra config for Polymarket. If present, report the version in use and whether it's affected.
2. No source names a fix yet; check the vendor advisory. Until one ships: restrict network access to it.

## Report
A table: file, product or package, version in use, affected yes/no, exact fix. Then anything a human has to check outside the repo.

If you have the pwned.coffee MCP server (https://pwned.coffee/mcp), call lookup_cve for the latest, and check_repo with this repo's lockfiles, Dockerfiles and workflows for a full receipt.
Sources: https://www.securityweek.com/2-million-drained-from-polymarket-traders-in-new-supply-chain-attack/ https://therecord.media/polymarket-confirms-cyberattack-third-party
https://pwned.coffee/i/polymarket-supply-chain-attack

Timeline

30 Oct 2026, 12:18 UTC
Reported by therecord.media: Polymarket confirms cyberattack on third-party provider after outages
30 Oct 2026
First reported.

Receipt

Exploitation: No known exploitation
Score: No CVSS published yet: severity unknown.
Last checked: 30 Oct 2026, 13:37 UTC

Sources: KEV – CVE record – Vendor –

Sources

Wrong fix version, or a source we missed? Send it back to chef@pwned.coffee with the source, and we'll correct it here.

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