cjose: OpenIDC/cjose uses all-zero Content Encryption Key for AES-CBC-HMAC JWE encryption

A flaw was found in cjose. When encrypting a JSON Web Encryption JWE object using AES-CBC-HMAC algorithms, the library initializes the encryption key with all-zero bytes instead of generating a secure random key. As a result, an attacker who intercepts the encrypted message can decrypt sensitive...

CVE-2021-27850_POC

CVE-2021-27850 Exploit Overview CVE-2021-27850 is a critical unauthenticated remote code execution vulnerability that was found in all recent versions of Apache Tapestry, by downloading the AppModule.class file we can leak the HMAC Secret key used to sign all the serialized objects in apache...

CVE-2021-27850_POC

CVE-2021-27850 Exploit Overview CVE-2021-27850 is a critical unauthenticated remote code execution vulnerability that was found in all recent versions of Apache Tapestry, by downloading the AppModule.class file we can leak the HMAC Secret key used to sign all the serialized objects in apache...

CVE-2026-110846

The automation tool n8n versions before 2.41.4 and 2.42.x before 2.42.1 contains a signature bypass in the waiting-webhook endpoint. The root cause is a logic error where the system performs Send-and-Wait validation before normalizing an alternate node reference form (CWE-180). An attacker posses...

MyJWT

MyJWT codebeat badge Introduction 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...

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...

CVE-2026-97657

The Abandoned Cart Pro for WooCommerce plugin for WordPress is vulnerable to Authentication Bypass via Malleable Encryption and Bypassable HMAC in all versions up to, and including, 10.8.0. This is due to the use of MAC-free AES-CTR encryption for cart-recovery link tokens — where the 8-byte CTR...

CVE-2026-97657

The Abandoned Cart Pro for WooCommerce plugin for WordPress (versions

CVE-2026-97657 Abandoned Cart Pro for WooCommerce <= 10.8.0 - Unauthenticated Authentication Bypass via Malleable Encryption and Bypassable HMAC via Recovery Link 'validate' Parameter

The Abandoned Cart Pro for WooCommerce plugin for WordPress is vulnerable to Authentication Bypass via Malleable Encryption and Bypassable HMAC in all versions up to, and including, 10.8.0. This is due to the use of MAC-free AES-CTR encryption for cart-recovery link tokens — where the 8-byte CTR...

EUVD-2026-100778

The Abandoned Cart Pro for WooCommerce plugin for WordPress is vulnerable to Authentication Bypass via Malleable Encryption and Bypassable HMAC in all versions up to, and including, 10.8.0. This is due to the use of MAC-free AES-CTR encryption for cart-recovery link tokens — where the 8-byte CTR...

dbd

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CVE-2026-110214 Snowy 3.6.5 Hard-coded Download Signature Key Allows Unauthenticated File Download

Snowy 3.6.5 contains a hard-coded HMAC key vulnerability that allows unauthenticated attackers to forge download signatures for the /dev/file/download endpoint by using the published FILEDOWNLOADSIGNSECRET constant. Attackers can compute HMAC-SHA256 signatures of guessed file ids offline to...

CVE-2026-46395-haxcms-hmac-key-leak

CVE-2026-46395 - HAXcms Node.js Private Key Disclosure via Broken HMAC CWE-321 / CWE-200 Proof-of-concept for authorized security testing and research only. The vulnerability described here is fixed in the latest release of HAXcms. This PoC is published so that defenders and researchers can verif...

RLSA-2026:80605 Critical: cjose security update

CJose is C library implementing the Javascript Object Signing and Encryption JOSE. Security Fixes: cjose: OpenIDC/cjose uses all-zero Content Encryption Key for AES-CBC-HMAC JWE encryption CVE-2026-53939 For more details about the security issues, including the impact, a CVSS score,...

USN-8916-1: PyJWT vulnerabilities

YuSung Han discovered that PyJWT did not properly validate certain JWK keys when performing HMAC verification. An attacker could possibly use this issue to forge authentication tokens. This issue only affected Ubuntu 26.04 LTS. CVE-2026-102266 Rohan Das discovered that PyJWT incorrectly handled...

USN-8916-1 pyjwt vulnerabilities

YuSung Han discovered that PyJWT did not properly validate certain JWK keys when performing HMAC verification. An attacker could possibly use this issue to forge authentication tokens. This issue only affected Ubuntu 26.04 LTS. CVE-2026-102266 Rohan Das discovered that PyJWT incorrectly handled...

CVE-2022-23529-Exploration

CVE-2022-23529 The JSON Web Token JWT library versions prior to 3.4.6, 4.0.4, and 4.1.5 are vulnerable to RCE. The HMAC hashing functions take any string as input which leads to RCE. Due to the preconditions, this vulnerability is not likly to be exploitable. In order to exploit this vulnerabilit...

Updated cjose packages fix security vulnerabilities

The updated packages fix security vulnerabilities: Heap buffer overflow in AES Key Wrap decryption A128KW/A192KW/A256KW. CVE-2026-53938 All-zero Content Encryption Key used for AES-CBC-HMAC JWE encryption. CVE-2026-53939...

CVE-2015-9235_JWT_key_confusion

ENGLISH Description This application allows you to replace a value in a JSON Web Token JWT using the HMAC-SHA256 method to recalculate the signature. It takes as input a token, a key to replace, and the new value associated with that key. Usage Clone or download the application's source code. git...

cjose: OpenIDC/cjose uses all-zero Content Encryption Key for AES-CBC-HMAC JWE encryption

A flaw was found in cjose. When encrypting a JSON Web Encryption JWE object using AES-CBC-HMAC algorithms, the library initializes the encryption key with all-zero bytes instead of generating a secure random key. As a result, an attacker who intercepts the encrypted message can decrypt sensitive...