# jwt (RubyGems) vulnerabilities

1 known vulnerability (1 critical), with the versions each affects and the releases that fix them.

## At a glance

- Latest release: not known (cve.now hasn't read this package's releases)
- Newest unaffected release: not known without release data
- Registry: https://rubygems.org/gems/jwt

## Advisories (1)

### [CVE-2026-45363](https://cve.now/CVE-2026-45363): \`jwt\` (Ruby gem) - empty-key HMAC bypass

- Severity: Critical 9.1
- Published: Jul 14, 2026
- Affected: from 3.0.0, fixed in 3.2.0; fixed in 2.10.3.

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