MyJWT

MyJWT codebeat badge Introducción Esta CLI es para pentesters, jugadores de CTF o desarrolladores. Puedes modificar tu jwt, firmar, inyectar, etc... Consulta la Documentación para más información. Si ves problemas o mejoras, envía un issue. Responderé lo antes posible. ¡Disfruta! : Documentación ...

Security Bulletin:PyJWT CVE-2023-40254: Local File Inclusion & Server-Side Request Forgery via PyJWKClient uri Argument

Summary PyJWT is a JSON Web Token implementation in Python. Prior to 2.13.0, PyJWKClient passes its uri argument directly to urllib.request.urlopen which uses Python stdlib's default OpenerDirector registering HTTPHandler, HTTPSHandler, FTPHandler, FileHandler, and DataHandler. There is currently...

CVE-2026-48522

A flaw was found in PyJWT, a JSON Web Token implementation in Python. The PyJWKClient component, prior to version 2.13.0, directly passes its Uniform Resource Identifier URI argument to urllib.request.urlopen. This allows a remote attacker, by influencing the application's jku URL ingestion path,...

Unintended Proxy or Intermediary ('Confused Deputy')

Overview Affected versions of this package are vulnerable to Unintended Proxy or Intermediary 'Confused Deputy' via the uri parameter being passed directly to urllib.request.urlopen, which allows fetching resources using unsupported schemes such as file, ftp, and data. An attacker can access...

PYSEC-2026-175

PyJWT is a JSON Web Token implementation in Python. Prior to 2.13.0, PyJWKClient passes its uri argument directly to urllib.request.urlopen which uses Python stdlib's default OpenerDirector registering HTTPHandler, HTTPSHandler, FTPHandler, FileHandler, and DataHandler. There is currently no...

CVE-2026-48522

PyJWT is a JSON Web Token implementation in Python. Prior to 2.13.0, PyJWKClient passes its uri argument directly to urllib.request.urlopen which uses Python stdlib's default OpenerDirector registering HTTPHandler, HTTPSHandler, FTPHandler, FileHandler, and DataHandler. There is currently no...

CVE-2026-48522

PyJWKClient in PyJWT prior to 2.13.0 passes its uri argument directly to urllib.request.urlopen(), allowing attacker-controlled jku URLs to trigger SSRF and related token-forgery scenarios via file://, ftp://, or data: schemes. Affected component: PyJWKClient (Python). Root cause: lack of a schem...

CVE-2026-48522 PyJWKClient: missing scheme allowlist enables SSRF + token forgery via file://, ftp://, data: schemes

PyJWT is a JSON Web Token implementation in Python. Prior to 2.13.0, PyJWKClient passes its uri argument directly to urllib.request.urlopen which uses Python stdlib's default OpenerDirector registering HTTPHandler, HTTPSHandler, FTPHandler, FileHandler, and DataHandler. There is currently no...

jwt-attack-suite

JWT Attack Suite Offensive JWT testing toolkit for penetrat...

EAP: wildfly-elytron has a SSRF security issue

A flaw was found in JwtValidator.resolvePublicKey in JBoss EAP, where the validator checks jku and sends a HTTP request. During this process, no whitelisting or other filtering behavior is performed on the destination URL address, which may result in a server-side request forgery SSRF vulnerabili...

EAP: wildfly-elytron has a SSRF security issue

A flaw was found in JwtValidator.resolvePublicKey in JBoss EAP, where the validator checks jku and sends a HTTP request. During this process, no whitelisting or other filtering behavior is performed on the destination URL address, which may result in a server-side request forgery SSRF vulnerabili...

CVE-2024-1233 Eap: wildfly-elytron has a ssrf security issue

A flaw was found in JwtValidator.resolvePublicKey in JBoss EAP, where the validator checks jku and sends a HTTP request. During this process, no whitelisting or other filtering behavior is performed on the destination URL address, which may result in a server-side request forgery SSRF vulnerabili...

CVE-2024-1233: Server-Side Request Forgery (SSRF)

A flaw was found in JwtValidator.resolvePublicKey in JBoss EAP, where the validator checks jku and sends a HTTP request. During this process, no whitelisting or other filtering behavior is performed on the destination URL address, which may result in a server-side request forgery SSRF vulnerabili...

CVE-2024-21643

IdentityModel Extensions for .NET provide assemblies for web developers that wish to use federated identity providers for establishing the caller's identity. Anyone leveraging the SignedHttpRequestprotocol or the SignedHttpRequestValidatoris vulnerable. Microsoft.IdentityModel trusts the jkuclaim...

CVE-2024-21643

The CVE-2024-21643 issue affects IdentityModel Extensions for .NET (Microsoft.IdentityModel.Protocols.SignedHttpRequest) where the SignedHttpRequest protocol/validator trusts the jku claim by default, enabling remote/local HTTP GET requests. Multiple sources confirm this vulnerability and identif...

CVE-2024-21643: Improper Control of Generation of Code

IdentityModel Extensions for .NET provide assemblies for web developers that wish to use federated identity providers for establishing the caller's identity. Anyone leveraging the SignedHttpRequestprotocol or the SignedHttpRequestValidatoris vulnerable. Microsoft.IdentityModel trusts the jkuclaim...

Authorization Bypass

Overview Microsoft.IdentityModel.Protocols.SignedHttpRequest is a package that includes types that provide support for the SignedHttpRequest protocol Affected versions of this package are vulnerable to Authorization Bypass via the SignedHttpRequest protocol or the SignedHttpRequestValidator. The...

Microsoft.IdentityModel.Protocols.SignedHttpRequest remote code execution vulnerability

Impact What kind of vulnerability is it? Who is impacted? Anyone leveraging the SignedHttpRequestprotocol or the SignedHttpRequestValidatoris vulnerable. Microsoft.IdentityModel trusts the jkuclaim by default for the SignedHttpRequestprotocol. This raises the possibility to make any remote or loc...

jwtXploiter - A Tool To Test Security Of Json Web Token

A tool to test security of JSON Web Tokens. Test a JWT against all known CVEs; Tamper with the token payload: changes claims and subclaims values. Exploit known vulnerable header claims kid, jku, x5u Verify a token Retrieve the public key of your target's ssl connection and try to use it in a key...

MyJWT - A Cli For Cracking, Testing Vulnerabilities On Json Web Token (JWT)

This cli is for pentesters, CTF players, or dev. You can modify your jwt, sign, inject ,etc... Check Documentation for more information. If you see problems or enhancement send an issue.I will respond as soon as possible. Enjoy : Documentation Documentation is available at...