RUSTSEC-2026-0039 `chrono_anchor` was removed from crates.io due to malicious code
A malicious Rust crate exfiltrated environment files to an attacker-controlled server, requiring users 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-2026-0039?
RUSTSEC-2026-0039 is a vulnerability in chrono_anchor, published on 10 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The chrono_anchor crate attempted to exfiltrate .env files to a server that
was in turn impersonating the legitimate timeapi.io service.
The malicious crate had 1 version published on 2026-03-04 approximately 6 days before removal and had no evidence of actual downloads. There were no crates depending on this crate on crates.io.
Thanks to Socket for reporting this crate. They have published
a blog post about this recent campaign, and we advise users of
timeapi.io to exercise caution when using crates to interact with that
service.
Which versions are affected by RUSTSEC-2026-0039?
1 open source package ship an affected version, including chrono_anchor.
| Package | Affected | Fixed in |
|---|---|---|
chrono_anchor crates.io | From 0.0.0-0 | None |
How do I fix RUSTSEC-2026-0039?
No fix has been published for RUSTSEC-2026-0039 yet. Limit exposure of the affected software until one is available.
Is RUSTSEC-2026-0039 being exploited?
There is no known exploitation of RUSTSEC-2026-0039 in the wild and no public exploit code.