Highlights
Auth Bypass: 27 prior fixes. Scrutinize any change in this area.
src/Validators/PayloadValidator.php: most-fixed (5 issues). Treat as high-risk during review.
26 high-severity fixes in this history; regressions here are high-impact.
Recurring patterns
The bug types that recur here, drawn from past fixes, not open vulnerabilities.
Auth Bypass: Structural validation bugs such as array_diff_key logic flaws and missing existence checks for required claims allowed malformed payloads to skip essential checks.
Auth Bypass: Insecure handling of empty keys and shared builder instances across requests allowed signature validation bypasses and state persistence issues.
Auth Bypass: Weak user-lookup error-handling, stateless authentication session persistence, and dummy JTI verification algorithms allowed unauthenticated access.