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Fencer Intel
critical —

GHSA-wf45-3gpw-vrqv json

`time_calibrators` was removed from crates.io due to malicious code

published 8mo ago modified 7mo ago also RUSTSEC-2026-0031

cvss
—
not scored
cisa kev
Not listed
not in CISA's catalog
epss
—
no score, EPSS covers CVEs only
public exploits
0
none known

Summary

The `time_calibrators` 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 2026-03-03 approximately 3 hours before removal and had no evidence of actual downloads. There were no crates depending on this crate on crates.io.

Rust security response working group thanks cybergeek for finding and reporting this, and thanks to Emily Albini for co-ordinating with the crates.io team.

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Affected packages

ecosystem package affected fixed in
crates.io time_calibrators
all versions
>=0.0.0-0
 no fix listed

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.