
RS256-2-HS256
JWT Attack to change the algorithm RS256 to HS256
cryptographyexploitationvulnerability-analysis+1
34

JWT Attack to change the algorithm RS256 to HS256

Exploit for CVE-2026-55040 in Microsoft SharePoint, forging JWT tokens via algorithm none, weak HS256 secrets, and RS256 substitution to impersonate…

JSON Web Token (JWT) encoding and decoding for Kit

POC for CVE-2023-34362 affecting MOVEit Transfer