RS256-2-HS256

RS256-2-HS256 JWT Attack to change the algorithm RS256 to HS256 Usage root@kitploit: usage: RS2562HS256JWT.py -h payload pubkey positional arguments: payload JSON payload from JWT to attack pubkey Public key file to use for signing optional arguments: -h, --help show this help message and exit...

TokenBreaker

TokenBreaker Token Breaker is focused on 2 particular vulnerability related to JWT tokens. None Algorithm RSAtoHMAC Refer to this link about insights of the vulnerability and how an attacker can forge the tokens Try out this vulnerability here TheNone Usage root@kitploit: usage: TheNone.py -h -t...

poc-cve-2016-10555

Cambiar el algoritmo RS256 asimétrico a HS256 simétrico - POC CVE-2016-10555 El algoritmo HS256 utiliza la clave secreta para firmar y verificar cada mensaje. El algoritmo RS256 utiliza la clave privada para firmar el mensaje y la clave pública para la autenticación. Si cambias el algoritmo de...

ClaimJumper

root@kitploit: / | | | | | | | | | | | | | |/ | | ' \ | | | | | ' | ' \ / \ '| | || | | | | | | | | || | || | | | | | | | | / | ||,||| || ||/ |,|| || || ./ || |/ | | || v0.1.0 Professional JWT security testing toolkit. Analyze, crack, forge, and exploit JSON Web Tokens with 15+ vulnerability...

CVE-2026-15013

CVE-2026-15013 — miniOrange SAML SSO = 5.4.3 Auth Bypass PoC Proof-of-concept for CVE-2026-15013 : unauthenticated authentication bypass via SAML Signature Algorithm Confusion HMAC-SHA1 in the miniOrange SAML Single Sign On – SSO Login WordPress plugin versions up to and including 5.4.3. Authoriz...

CVE-2026-0265-check

Herramienta de Evaluación de Vulnerabilidad CVE-2026-0265 Determine de manera segura si un portal GlobalProtect de Palo Alto Networks PAN-OS es vulnerable a CVE-2026-0265 sin autenticar ninguna sesión ni modificar ningún estado. Descripción CVE-2026-0265 es una omisión de autenticación remota que...

CVE-2026-4444-JWT-Algorithm-Confusion-via-kid-Injection

CVE-2026-4444 – JWT Algorithm Confusion via kid Injection Program Code Node.js server + Python exploit root@kitploit: // jwtserver.js - Vulnerable JWT verification server const express = require'express'; const jwt = require'jsonwebtoken'; const jwksClient = require'jwks-rsa'; const axios =...

CVE-2026-78903-SWIFT-Kick-to-the-Creds

CVE-2026-78903 — SWIFT Kick to the Creds SWIFT API Gateway JWT Algorithm Confusion...

POC_CVE-2015-9235

CVE-2015-9235 Demonstration of the algorithm confusion attack on Json Web Token JWT libraries. JWTs are often used in cookies to certify a user session and so this attack is critical. The node module [email protected] was used to demonstrate the vulnerability. This project was also a nice vi...

CVE-2023-48223

CVE-2023-48223 PoC fast-jwt Algorithm Confusion This repository demonstrates JWT algorithm confusion in fast-jwt when token verification does not lock allowed algorithms. Environment Setup Requirements Node.js 18 or newer npm OpenSSL must be available in your terminal PATH 1 Install dependencies...

CVE-2026-85394

python-jose through version 3.5.0 contains an algorithm confusion vulnerability in its HMAC key validation logic. The library fails to properly reject DER-encoded public keys that lack PEM armor or SSH prefixes, allowing them to be accepted as HMAC secrets. An attacker who possesses the service's...

CVE-2026-85394 python-jose through 3.5.0 Algorithm Confusion via DER-encoded Public Key as HMAC Secret

python-jose through 3.5.0 fails to properly validate asymmetric keys in HMAC initialization, accepting DER-encoded public keys that lack PEM armor or SSH prefixes. Attackers holding the service's public key can forge HS256 tokens that pass verification when algorithms are not explicitly restricte...

CVE-2020-7494

creationtimestamp| type| source ---|---|--- 2026-09-01 17:01:12+00:00| seen| https://t.me/cissp/1528 2026-09-02 01:05:01+00:00| seen| https://t.me/cissp/1528 2026-09-12 01:00:05+00:00| published-proof-of-concept| https://t.me/cissp/1528 2026-09-13 00:01:01+00:00| published-proof-of-concept|...

CVE-2026-82454

CVE-2026-82454 is a CRITICAL authentication bypass in the Omnivore API (packages/api), affecting versions before android-0.227.0 . The decodeAppleToken function extracted the alg field from an attacker-supplied JWT header and passed it as the sole allowed algorithm to jwt.verify(). Because jsonwe...

CVE-2026-82454 Omnivore before android-0.227.0 Authentication Bypass via Apple Sign-in

The Omnivore API packages/api before the fix in commit abf53d6 contains an authentication bypass in Apple sign-in token verification. The decodeAppleToken function extracted the 'alg' field from the attacker-supplied JWT header and passed it as the sole allowed algorithm to jwt.verify. Using...

CVE-2026-82454 Omnivore before android-0.227.0 Authentication Bypass via Apple Sign-in

The Omnivore API packages/api before the fix in commit abf53d6 contains an authentication bypass in Apple sign-in token verification. The decodeAppleToken function extracted the 'alg' field from the attacker-supplied JWT header and passed it as the sole allowed algorithm to jwt.verify. Using...

PT-2026-83433

Name of the Vulnerable Software and Affected Versions Omnivore API packages/api versions prior to commit abf53d6 Description An authentication bypass exists in the Apple sign-in token verification process. The decodeAppleToken function extracts the alg field from the JWT header provided by the us...

BIT-KEYCLOAK-2026-11800 Org.keycloak:keycloak-services: keycloak: authentication bypass via jwt algorithm confusion

A flaw was found in Keycloak. This JWT algorithm confusion vulnerability in the JWT Authorization Grant flow allows an attacker with valid client credentials to bypass signature verification. By forging an assertion, the attacker can create unauthorized access tokens. This enables the attacker to...

SUSE CVE-2026-72889

Net::OAuth versions before 0.33 for Perl allow the sender to choose the signature algorithm in verify. verify resolves the signature method class from the signaturemethod parameter of the incoming message. signaturemethod is required on every request, so the algorithm used to check a signature is...

CVE-2026-72889

Net::OAuth versions before 0.33 for Perl allow the sender to choose the signature algorithm in verify. verify resolves the signature method class from the signaturemethod parameter of the incoming message. signaturemethod is required on every request, so the algorithm used to check a signature is...