RUSTSEC-2026-0280 `greentic-setup-dev` 1.3.34027618345 was removed from crates.io due to containing malicious code
A malicious Rust crate variant containing PolinRider malware was published to crates.io, executing code when opened in VS Code.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is RUSTSEC-2026-0280?
RUSTSEC-2026-0280 is a vulnerability in greentic-setup-dev, published on 7 Sep 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
A new version of the greentic-setup-dev crate was published with a variant of
the PolinRider malware included that would fire when a project depending on
greentic-setup-dev was opened in Visual Studio Code.
One malicious version was published on 2026-09-06, approximately 27 hours before removal. This crate has no dependencies on crates.io. We have no evidence that this crate version was downloaded by any actual users, but Greentic users should check their systems nonetheless.
Thanks to the Research Team at Nextron Systems GmbH for the report.
Which versions are affected by RUSTSEC-2026-0280?
1 open source package ship an affected version, including greentic-setup-dev.
| Package | Affected | Fixed in |
|---|---|---|
greentic-setup-dev crates.io | From 1.3.34027618345 | 1.3.34027618346-0 |
How do I fix RUSTSEC-2026-0280?
Upgrade greentic-setup-dev to 1.3.34027618346-0 or later.
Is RUSTSEC-2026-0280 being exploited?
There is no known exploitation of RUSTSEC-2026-0280 in the wild and no public exploit code.