RUSTSEC-2026-0261 `aronenao` was removed from crates.io due to malicious code
Malicious code in the aronenao crate executes during build, allowing attackers to compromise developer systems via supply chain attack.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is RUSTSEC-2026-0261?
RUSTSEC-2026-0261 is a vulnerability in aronenao, published on 20 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
We identified that aronenao contained malicious code executed through a build
script.
This crate had 11 versions, with the most recent one being published at 2026-08-18. The crate was removed from crates.io and the user account was locked.
This crate was used as part of a malware campaign targeted at users of
arrayref, which was downloaded 2,285 times before being removed; see
the arrayref advisory for more detail.
Which versions are affected by RUSTSEC-2026-0261?
1 open source package ship an affected version, including aronenao.
| Package | Affected | Fixed in |
|---|---|---|
aronenao crates.io | From 0.0.0-0 | None |
How do I fix RUSTSEC-2026-0261?
No fix has been published for RUSTSEC-2026-0261 yet. Limit exposure of the affected software until one is available.
Is RUSTSEC-2026-0261 being exploited?
There is no known exploitation of RUSTSEC-2026-0261 in the wild and no public exploit code.