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 usage: TheNone.py -h -t TOKEN...

POC-CVE-2018-0114

CVE-2018-0114 POC A vulnerability in the Cisco node-jose open source library before 0.11.0 could allow an unauthenticated, remote attacker to re-sign tokens using a key that is embedded within the token. The vulnerability is due to node-jose following the JSON Web Signature JWS standard for JSON...

CVE-2026-29000

JWT/JWE Authentication Bypass PoC A Proof-of-Concept PoC script demonstrating an authentication bypass vulnerability using JSON Web Tokens JWT and JSON Web Encryption JWE. This tool exploits environments that improperly validate token algorithms by accepting unverified JWTs alg: none wrapped insi...

cve-2026-21858

CVE-2026-21858 + CVE-2025-68613 - n8n Full Chain Unauthenticated Arbitrary File Read → Admin Token Forge → Sandbox Bypass → RCE | ---|--- CVE| CVE-2026-21858 AFR + CVE-2025-68613 RCE CVSS| 10.0 + 9.9 Critical Affected| = 0.211.0 RCE Fixed| 1.121.0 AFR / 1.120.4+ RCE Disclosed| 2026-01-07 11:09 UT...

cve-2022-39227-jwt-auth-bypass-demo

CVE-2022-39227 JWT Authentication Bypass Demo Project Goal This project demonstrates the CVE-2022-39227 vulnerability in a controlled local lab environment. This vulnerability affects the python-jwt library versions 3.3.4 and allows an attacker to forge JWT claims without knowing the secret key b...

CVE-2025-68860

CVE-2025-68860 WordPress Mobile builder Plugin Authentication Bypass Using an Alternate Path or Channel vulnerability in Mobile Builder allows Authentication Abuse. This issue affects Mobile builder from n/a through 1.4.2. CVSS Score: 9.8 CRITICAL Vector: AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H A...

CVE-2018-0114

CVE-2018-0114 python2.7 script for JWT generation CVE-2018-0114 A vulnerability in the Cisco node-jose open source library before 0.11.0 could allow an unauthenticated, remote attacker to re-sign tokens using a key that is embedded within the token. The vulnerability is due to node-jose following...

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...

pyjwt: pyjwt: Token forgery via improper Unicode byte-order mark handling

A flaw was found in pyjwt. When verifying cryptographic keys, the raw JSON Web Key JWK parser fails to normalize Unicode byte-order marks BOM. In mixed-algorithm verification environments, an attacker who knows the public key can supply a key prefixed with a byte-order mark, causing the system to...

Critical: Red Hat Security Advisory: fence-agents security update

An update for fence-agents is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Critical. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability fr...

Critical: Red Hat Security Advisory: fence-agents security update

An update for fence-agents is now available for Red Hat Enterprise Linux 10. Red Hat Product Security has rated this update as having a security impact of Critical. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability...

pyjwt: pyjwt: Token forgery via improper Unicode byte-order mark handling

A flaw was found in pyjwt. When verifying cryptographic keys, the raw JSON Web Key JWK parser fails to normalize Unicode byte-order marks BOM. In mixed-algorithm verification environments, an attacker who knows the public key can supply a key prefixed with a byte-order mark, causing the system to...

sign-saboteur

SignSaboteur SignSaboteur is a Burp Suite extension for editing, signing, verifying, and attacking signed tokens. It supports different types of tokens: Django TimestampSigner, ItsDangerous Signer, Express cookie-session middleware, OAuth2 Proxy, Tornado’s signed cookies, Ruby Rails Signed cookie...

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 // jwtserver.js - Vulnerable JWT verification server const express = require'express'; const jwt = require'jsonwebtoken'; const jwksClient = require'jwks-rsa'; const axios = require'axios'; cons...

cve-2026-102268-poc

CVE-2026-102268 — PyJWT Asymmetric-PEM Detection Bypass Exploitability analysis result: the root cause is confirmed and end-to-end exploitation is reproducible. A whitespace-mutated PEM public key bypasses PyJWT's ispemformat guard and is accepted as a valid HMAC secret, enabling full HS256 token...

2025-Oracle-SSO-LDAP-Attack-Post-Incident-Written-Report

2025-Oracle-SSO-LDAP-Attack-Post-Incident-Written-Report This post-incident report examines the 2025 supply chain breach targeting Oracle Cloud’s identity and authentication infrastructure. It details how threat actors exploited an unpatched pre-authentication Remote Code Execution vulnerability...

CVE-2026-29000-Lab

CVE-2026-29000 — pac4j-jwt Library-Level PoC Lab TL;DR This repository contains a library-level PoC for CVE-2026-29000 in pac4j-jwt. It compares vulnerable and patched behavior with two cases: Baseline : a legitimate token should be accepted Attack : a forged token should be accepted on vulnerabl...

CVE-2025-59390-

CVE-2025-59390- The attached POC will allow you to crack the Kerberos signiture in Apache Druid and also, any integer created by ThreadLocalRandom Advisory - Apache Druid’s Kerberos authenticator uses a weak fallback secret when the druid.auth.authenticator.kerberos.cookieSignatureSecret...

CVE-2026-64682 AstroBlocks: Admin session tokens can be forged due to a hard-coded fallback JWT secret and a mismatched environment variable name

AstroBlocks is a block-first CMS for Astro projects. Prior to version 3.4.0, admin session tokens can be forged due to a hard-coded fallback JWT secret and a mismatched environment variable name. An attacker who knows the public fallback value readable in the published package can forge a valid...

RHEL 9 : fence-agents (RHSA-2026:98503)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:98503 advisory. The fence-agents packages provide a collection of scripts for handling remote power management for cluster devices. They allow failed or...