Severity:

CRITICAL RISK

(9.1)

JWT HMAC Verification Bypass (CWE-287) in ruby-jwt

CVE-2026-45363

Published:

Status:

Deferred

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

NDV

Vulnerability Type

Vulnerability Type

Category:

Authentication and Signature Verification Bypass

CWE:

CWE-287;CWE-326;CWE-1391

Impact:

Authentication Bypass and Token Forgery

Severity:

CRITICAL RISK

(9.1)

CVSS Version:

3.1

Vulnerability Type

Category:

Authentication and Signature Verification Bypass

CWE:

CWE-287;CWE-326;CWE-1391

Impact:

Authentication Bypass and Token Forgery

Severity:

CRITICAL RISK

(9.1)

CVSS Version:

3.1

Catch This CVE While Code Is Being Written

Detect vulnerable code directly in pull requests, so CVEs are fixed before merge.