Kelvinmo maintains SimpleJWT, a focused authentication library for JSON Web Token handling, where observed vulnerabilities center on resource-consumption weaknesses in token processing. The library's narrow scope and niche deployment mean vulnerabilities require close assessment of downstream integrations; live severity, exploitation, and exposure counts are shown alongside this summary.
The number and severity of CVEs published that impact products developed by Kelvinmo over time
Signals from CVEs in this vendor scope (2 CVEs).
2 CVEs · Highest risk first
| CVE | Published | CVSS | Risk | KEV | Exploit |
|---|---|---|---|---|---|
CVE-2026-33204HIGH SimpleJWT is a simple JSON web token library written in PHP. Prior to version 1.1.1, an unauthenticated attacker can perform a Denial of Service via JWE header tampering when PBES2 | Mar 20, 2026 | 7.5 | 25 | NO | NO |
CVE-2009-4972MEDIUM Cross-site scripting (XSS) vulnerability in index.php (aka the log in page) in SimpleID before 0.6.5 allows remote attackers to inject arbitrary web script or HTML via the s parame | Jul 28, 2010 | 4.3 | 16 | NO | NO |
Signals from CVEs in this vendor scope (2 CVEs).
An overview of all social media posts that mention a CVE ID that affects a product developed by Kelvinmo.
Media articles that mention a CVE ID that affects a product developed by Kelvinmo — matched by CVE ID, not by vendor name.