RUSTSEC-2026-0100 `pretty-changelog-logger` was removed from crates.io for malicious code
A malicious Rust logging library contained a build script that executed arbitrary code, requiring developers to remove the package immediately.
- 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-2026-0100?
RUSTSEC-2026-0100 is a vulnerability in pretty-changelog-logger, published on 13 Apr 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
pretty-changelog-logger contains a build script (build.rs) that acts as a loader/dropper for malicious payloads.
The malicious crate had 3 versions published on 2026-04-08 that had a total of 2239 downloads. 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!
Which versions are affected by RUSTSEC-2026-0100?
1 open source package ship an affected version, including pretty-changelog-logger.
| Package | Affected | Fixed in |
|---|---|---|
pretty-changelog-logger crates.io | From 0.0.0-0 | None |
How do I fix RUSTSEC-2026-0100?
No fix has been published for RUSTSEC-2026-0100 yet. Limit exposure of the affected software until one is available.
Is RUSTSEC-2026-0100 being exploited?
There is no known exploitation of RUSTSEC-2026-0100 in the wild and no public exploit code.