CVE-2026-45363 `jwt` (Ruby gem) - empty-key HMAC bypass
| Reporter | Title | Published | Views | Family All 107 |
|---|---|---|---|---|
 | CVE-2026-45363 | 14 Jul 202621:32 | – | attackerkb |
 | JWT Ruby Authentication DoS | 7 Jul 202600:00 | – | bdu_fstec |
 | CVE-2026-45363 vulnerabilities | 26 May 202601:18 | – | cgr |
 | CVE-2026-45363 | 14 Jul 202622:16 | – | circl |
 | CVE-2026-45363 | 14 Jul 202621:32 | – | cve |
 | [SECURITY] [DLA 4787-1] ruby-jwt security update | 19 Sep 202604:51 | – | debian |
| [SECURITY] [DSA 6547-1] ruby-jwt security update | 6 Oct 202619:54 | – | debian |
 | CVE-2026-45363 | 14 Jul 202621:32 | – | debiancve |
 | Debian dla-4787 : ruby-jwt - security update | 21 Sep 202600:00 | – | nessus |
| Debian dsa-6547 : ruby-jwt - security update | 6 Oct 202600:00 | – | nessus |
10
[
{
"vendor": "jwt",
"product": "ruby-jwt",
"versions": [
{
"version": "< 2.10.3",
"status": "affected"
},
{
"version": ">= 3.0.0, < 3.2.0",
"status": "affected"
}
]
}
]Data
Build on a solid foundation with Vulners data
We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data
Api
Power your application with Vulners API
The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access
App
Assess and manage vulnerabilities with Vulners tools
Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation
14 Jul 2026 21:34Current
CVSS 3.19.1
EPSS0.00364
SSVC