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...

Issabel Framework - Hard-Coded PBX API JWT Key

Issabel Framework before commit b97dbaf uses a shared HS256 key for PBX API bearer tokens. This template uses the read-only AMI ExtensionState action to check whether the PBX API accepts a short-lived token signed with either the vulnerable upstream-source key or the key in the 5.0.0-2 RPM, after...

jwt_tool

The JSON Web Token Toolkit v2 jwttool.py is a toolkit for validating, forging, scanning and tampering JWTs JSON Web Tokens. Its functionality includes: Checking the validity of a token Testing for known exploits: CVE-2015-2951 The alg=none signature-bypass vulnerability CVE-2016-10555 The RS/HS25...

poc-cve-2016-10555

Change the algorithm RS256asymmetric to HS256symmetric - POC CVE-2016-10555 The algorithm HS256 uses the secret key to sign and verify each message. The algorithm RS256 uses the private key to sign the message and uses the public key for authentication. If you change the algorithm from RS256 to...

kit-jwt

kit-jwt JSON Web Token JWT encoding and decoding for Kit TOC Files File| Description ---|--- .editorconfig| Editor formatting configuration .gitignore| Git ignore rules for build artifacts and dependencies .tool-versions| asdf tool versions Zig, Kit LICENSE| MIT license file README.md| This file...

jwt-key-id-injector

JWT Key ID Injector Simple python script to check against hypothetical JWT vulnerability. Let's say there is an application that uses JWT tokens signed HS256 algorithm. An example token looks like the follow:...

RS256-2-HS256

RS256-2-HS256 JWT Attack to change the algorithm RS256 to HS256 Usage 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 Example...

CVE-2021-44910_SpringBlade

CVE-2021-44910-SpringBlade Vulnerability Detection Tool SpringBlade JWT authentication vulnerability. Usage python3 Tested with HS256, HS384, and HS512 algorithms respectively...

CVE-2026-89026

CVE-2026-89026 --- Issabel PBXAPI Exploit & Scanner About CVE-2026-89026 is the security issue targeted by this project. This repository contains a PoC exploit and scanner for researching and validating the affected Issabel PBXAPI authentication behavior. The project is designed for authorized...

jwt-key-confusion-poc

JWT Key Confusion PoC CVE-2015-9235 Written for the Hack the Box challenges - Under Construction and Secret Both included scripts perform a Java Web Token Key Confusion Attack CVE-2015-9235. To perform the attack it is required that the attacker know the public key which the server will use to...

CVE-2026-75431_PowerJob_jwt_key_predictable

PowerJob JWT Signing Key Predictable Key Derived from Default JDBC URL → Token Forgery 1. Summary The PowerJob Server's JWT HS256 signing key is derived by BASE64-decoding a hardcoded constant concatenated with the MD5 of the default JDBC URL DefaultSecretProvider / JwtServiceImpl. The JDBC URL i...

CVE-2026-82329-poc

CVE-2026-82329 Artifactory Security Assessment Tool PoC and validation tool to identify self-hosted JFrog Artifactory installations affected by CVE-2026-82329. This tool validates the following authentication chain: 1. Create an HS256 JWT join using the default empty signing key. 2. Send the JWT ...

CVE-2026-126797 NextScan 1.1.0 through 1.2.0 Hardcoded JWT Key Authentication Bypass in ns-admin

NextScan 1.1.0 through 1.2.0 contains an authentication bypass vulnerability in ns-admin that allows unauthenticated attackers to forge administrator tokens using a hardcoded JWT signing key. Attackers can sign an HS256 X-Access-Token carrying the public super administrator role ID to gain full...

CVE-2026-126797 NextScan 1.1.0 through 1.2.0 Hardcoded JWT Key Authentication Bypass in ns-admin

NextScan 1.1.0 through 1.2.0 contains an authentication bypass vulnerability in ns-admin that allows unauthenticated attackers to forge administrator tokens using a hardcoded JWT signing key. Attackers can sign an HS256 X-Access-Token carrying the public super administrator role ID to gain full...

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...

PT-2026-145454

Name of the Vulnerable Software and Affected Versions NextScan versions 1.1.0 through 1.2.0 Description An authentication bypass exists in the ns-admin component. Unauthenticated remote attackers can forge administrator tokens by utilizing a hardcoded JWT signing key to sign an X-Access-Token usi...

CVE-2026-89026

CVE-2026-89026 Issabel pbxapi hard coded JWT RCE POC Issabel Framework pbxapi — unauthenticated JWT forge hard-coded HS256 key then GET /pbxapi/manager/originate with Application=System to run OS commands as the Asterisk user. Patched in commit b97dbaf key loaded from /etc/issabel.conf...

CVE-2026-125758

Aptabase before commit 61d4c01 contains an authentication bypass vulnerability that allows unauthenticated attackers to forge sign-in links by using the publicly known example AUTHSECRET. Attackers can enumerate registered e-mails via /api/auth/signin, forge HS256 JWTs redeemed by...

CVE-2026-125758 Aptabase before commit 61d4c01 Authentication Bypass via Known Example AUTH_SECRET

Aptabase before commit 61d4c01 contains an authentication bypass vulnerability that allows unauthenticated attackers to forge sign-in links by using the publicly known example AUTHSECRET. Attackers can enumerate registered e-mails via /api/auth/signin, forge HS256 JWTs redeemed by...

EUVD-2026-121241

Aptabase before commit 61d4c01 contains an authentication bypass vulnerability that allows unauthenticated attackers to forge sign-in links by using the publicly known example AUTHSECRET. Attackers can enumerate registered e-mails via /api/auth/signin, forge HS256 JWTs redeemed by...