Rust advisories / polymarket-clients-sdk
Vulnerability CriticalRUSTSEC-2026-0010 · polymarket-clients-sdk
RUSTSEC-2026-0010: `polymarket-clients-sdk` was removed from crates.io for malicious code
Short answerA security vulnerability in the polymarket-clients-sdk crate: `polymarket-clients-sdk` was removed from crates.io for malicious code. GitHub rates it Critical. No fixed version: replace the crate or remove the affected code path.
| Crate | polymarket-clients-sdk |
|---|---|
| Type | Vulnerability (malicious) |
| Affected versions | Every version. |
| Fixed in | none |
| Severity | Critical (GitHub rating) |
| Published | 2026-02-06 |
| Last changed | 2026-03-17 |
| Also known as | GHSA-382q-fpqh-29f7 |
What to do
- Find who pulls it in:
cargo tree -i polymarket-clients-sdk. - Avoid the affected API, or replace the crate.
Details from the advisory
It appeared to be typosquatting existing crate polymarket-client-sdk (clients vs client) and attempting to steal credentials from local files.
The malicious crate had 6 versions published on 2026-02-05 and had been downloaded only 59 times. There were no crates depending on this crate on crates.io.
Thanks to Socket.dev for detecting and reporting this to the crates.io team!
References
- Package: crates.io/crates/polymarket-clients-sdk
- Advisory: rustsec.org/advisories/RUSTSEC-2026-0010.html
From the RustSec Advisory Database (CC0-1.0) via the OSV export, downloaded Oct 24, 2026. Severity score computed from the published CVSS vector.
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