GHSA-77xj-rrh3-wx3v: Time calibrator `time_calibrator` Was Removed From Crates.io Vulnerability

CRITICAL
Share
Published
Advisory Summary

GHSA-77xj-rrh3-wx3v is a CRITICAL `time_calibrator` was removed from crates.io vulnerability (General Security Weakness) affecting Time calibrator libraries in the crates.io ecosystem. The issue involves `time_calibrator` was removed from crates.io due to malicious code. Remediation is available in the latest vendor maintenance releases.

GHSA-77xj-rrh3-wx3v at a Glance

CVE Identifier N/A
GHSA Identifier GHSA-77xj-rrh3-wx3v
Severity CRITICAL
CVSS v3.1 Base Score N/A
CWE Classification General Security Weakness
Affected Product Time calibrator
Package Ecosystem crates.io
Published Date
Last Updated

How to Fix GHSA-77xj-rrh3-wx3v

To remediate this vulnerability, upgrade all affected Time calibrator dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

time_calibrator fixed: Latest secure release 
Upgrade time_calibrator to Latest secure release
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

inspect dependencies for time_calibrator

How to Check if You Are Affected

To determine whether your application is affected by GHSA-77xj-rrh3-wx3v, inspect your project dependencies for Time calibrator:

inspect dependencies for time_calibrator

Analyze the terminal output to locate any version of Time calibrator in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than the patched release), your application is affected.

Note: Verify declared build manifests and deployed runtime container environments.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under General Security Weakness. In Time calibrator, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

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.

GHSA-77xj-rrh3-wx3v Affected Time calibrator Versions

1 component(s)
Product / Package Ecosystem Affected Versions Fixed Version
time_calibrator
 crates.io

References

rustsec.org/advisories/rustsec-... WEB
https://rustsec.org/advisories/RUSTSEC-2026-0030.html

Frequently Asked Questions

What is GHSA-77xj-rrh3-wx3v?
GHSA-77xj-rrh3-wx3v is a security vulnerability in Time calibrator involving `time_calibrator` was removed from crates.io due to malicious code under General Security Weakness.
Which Time calibrator versions are affected?
Affected versions include releases prior to current release patches across affected packages: time_calibrator.
What version fixes GHSA-77xj-rrh3-wx3v?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
Is time_calibrator affected?
Yes, time_calibrator is affected in releases prior to Latest secure release. Upgrade your dependency to Latest secure release or later.
What CWE is associated with GHSA-77xj-rrh3-wx3v?
GHSA-77xj-rrh3-wx3v is classified under General Security Weakness.
How can I check crates.io dependencies for GHSA-77xj-rrh3-wx3v?
Run the dependency tree command: 'inspect dependencies for time_calibrator'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-77xj-rrh3-wx3v",
  "modified" : "2026-03-04T20:44:35Z",
  "published" : "2026-03-04T20:44:35Z",
  "aliases" : [ ],
  "summary" : "`time_calibrator` was removed from crates.io due to malicious code",
  "details" : "It was reported `time_calibrator` contained malicious code, that would try to upload `.env` files to a server.\n\nThe 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.\n\nRust 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.",
  "severity" : [ ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "crates.io",
      "name" : "time_calibrator"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://rustsec.org/advisories/RUSTSEC-2026-0030.html"
  } ],
  "database_specific" : {
    "cwe_ids" : [ ],
    "severity" : "CRITICAL",
    "github_reviewed" : true,
    "github_reviewed_at" : "2026-03-04T20:44:35Z",
    "nvd_published_at" : null
  }
}