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Fencer Intel
critical —

GHSA-77xj-rrh3-wx3v json

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

published 8mo ago modified 7mo ago also RUSTSEC-2026-0030

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

It was reported `time_calibrator` contained malicious code, that would try to upload `.env` files to a server.

The malicious crate had only 1 version published at 2026-02-28 and no evidence of actual usage. The crate was removed from crates.io and the user account was locked. There were no crates depending on this crate on crates.io.

Rust security response working group thanks Gabriel Silva for finding and reporting this, and thanks to Emily Albini for co-ordinating with the crates.io and infra-admin teams.

Is GHSA-77xj-rrh3-wx3v in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Affected packages

ecosystem package affected fixed in
crates.io time_calibrator
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.