CVE-2026-29000-PoC-Exploit

🚀 CVE-2026-29000 - pac4j-jwt Authentication Bypass Exploit CVE-2026-29000 - One-Click Admin Forge via JWT alg:none + JWE Encryption 📌 Overview This exploit weaponizes CVE-2026-29000 , a critical CVSS 10.0 vulnerability in the pac4j-jwt library. By extracting the server's public JWKS key and...

jwt-hack

Kit de herramientas para hackear JSON Web Tokens Un kit de herramientas de alto rendimiento para probar, analizar y atacar JSON Web Tokens. Instalación Cargo root@kitploit: cargo install jwt-hack Homebrew root@kitploit: brew install jwt-hack Snapcraft Ubuntu root@kitploit: sudo snap install...

pac4j-check

pac4j-check 离线排查 CVE-2026-29000CVSS 10.0—— 包括官方 advisory 没有列出的那些包。 English | 中文 单个 jar,约 24KB,零运行时依赖,Java 8 起可用,完全离线,不外传任何数据。 这个漏洞是什么 org.pac4j:pac4j-jwt 的 JwtAuthenticator 在处理加密 JWTJWE 时未强制校验签名。 攻击者只要拿到服务器的 RSA 公钥公钥本来就是公开的, 就能构造一个 JWE 包裹的 PlainJWT,把 subject 和 role 写成任意值, 以任意用户身份登录,包括管理员 。无需任何凭据。...

jwtear

Jwtear Una herramienta modular de línea de comandos para analizar, crear y manipular tokens JSON Web Token JWT con fines de pruebas de seguridad. Features Modularidad completa. Todos los comandos son complementos. Fácil de añadir nuevos complementos. Soporta tokens JWS y JWE. Interfaz sencilla pa...

CVE-2026-49230-APISIX-jwe-decrypt-Auth-Bypass

CVE-2026-49230 — Apache APISIX jwe-decrypt Authentication Bypass Proof of concept for an authentication bypass in the Apache APISIX jwe-decrypt plugin. The plugin decrypts a JWE token and forwards its plaintext to the upstream, acting as an authentication gate — but it never validates the AES-GCM...

CVE-2026-29000

CVE-2026-29000: pac4j JWT 認証バイパス PoC 概念実証 CVE-2026-29000 - pac4j JWT 実装における重大な認証バイパス脆弱性。攻撃者は有効な署名なしで管理者トークンを偽造できます。 ⚠️ 免責事項 このツールは教育目的および許可されたセキュリティテスト目的のみに提供されています。作者はこのエクスプロイトの誤用、損害、または違法使用について一切の責任を負いません。 コンピュータシステムへの不正アクセスはほとんどの法域で違法 です テスト前に明示的な書面による許可 を取得する必要があります...

CVE-2026-29000

CVE-2026-29000 Lab Java/SparkJava 实验室，模拟与 CVE-2026-29000 相关的 JWT/JWE 认证漏洞。应用程序运行在 4567 端口，并提供 API 用于测试有效的登录流程、创建伪造 token 以及检查仪表盘。 CVE 信息 CVE-2026-29000 影响 pac4j-jwt 中早于 4.5.9、5.7.9 和 6.3.3 的版本。该漏洞存在于 JwtAuthenticator 处理加密 JWT/JWE 时，允许攻击者在某些认证流程中伪造认证 token。 应根据当前使用的分支升级到的最低版本： 4.x：升级到 4.5.9 或更高版本...

PoC_CVE-2025-54887

PoCCVE-2025-54887 This repository contains Proof-of-Concept PoC exploit for CVE-2025-54887. This is a vulnerability in ruby-jwe version = 1.1.0 where the authentication tag of encrypted JWEs can be brute forced, which may result in loss of confidentiality and provide ways to craft arbitrary JWEs...

Security update for python-jwcrypto (moderate)

openSUSE security update: security update for python-jwcrypto ------------------------------------------------------------- Announcement ID: openSUSE-SU-2026:21827-1 Rating: moderate References: bsc1277639 bsc1278707 Cross-References: CVE-2026-80179 CVE-2026-84185 CVSS scores: CVE-2026-80179 SUSE...

OPENSUSE-SU-2026:21827-1 Security update for python-jwcrypto

This update for python-jwcrypto fixes the following issues: - CVE-2026-80179: denial of service via malformed JWE tokens bsc1277639. - CVE-2026-84185: general JSON JWS kid binding bypass during JWKSet verification bsc1278707...

github.com/go-jose/go-jose/v3: github.com/go-jose/go-jose/v4: Go JOSE: Denial of Service via crafted JSON Web Encryption (JWE) object

A flaw was found in Go JOSE, a library for handling JSON Web Encryption JWE objects. A remote attacker could exploit this vulnerability by providing a specially crafted JWE object. When decrypting such an object, if a key wrapping algorithm is specified but the encrypted key field is empty, the...

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-2026-29000-pac4j-jwt

pac4j-jwe-forge CVE-2026-29000 Proof-of-concept for CVE-2026-29000. Targets pac4j-jwt versions prior to 4.5.9, 5.7.9, and 6.3.3. The vulnerability is straightforward: the library accepts a PlainJWT unsigned, alg=none as long as it's wrapped inside a valid JWE. Since the server exposes its RSA...

CVE-2026-29000

CVE-2026-29000 CVE-2026-29000: Critical Authentication Bypass in pac4j-jwt - Using Only a Public Key CVSS 10 pac4j-jwt Authentication Bypass Exploit CVE-2026-29000 Vulnerability Summary CVE-2026-29000 is a critical authentication bypass in the pac4j-jwt library versions 6.0.3 and below. When the...

CVE-2026-29000

CVE-2026-29000: pac4j-jwt Authentication Bypass POC This repository contains a proof-of-concept POC for an authentication bypass vulnerability in pac4j-jwt CVE-2026-29000. The vulnerability allows an attacker to bypass signature verification by nesting a PlainJWT using alg: none inside a JWE JSON...

CVE-2026-29000---pac4j-jwt-Authentication-Bypass-PoC

CVE-2026-29000 - pac4j-jwt Authentication Bypass PoC Note: This is not my original work. I am keeping this here for a reference. Working methodology: root@kitploit: python3 exploit.py http://IP:PORT Fetching JWKS... + Got RSA public key kid: enc-key-1 Crafted PlainJWT with sub=admin, role=ROLEADM...

CVE-2026-29000

CVE-2026-29000：pac4j-jwt JwtAuthenticator 身份验证绕过 完整构建：writeup、Java 进程内 PoC、Python 令牌伪造 CLI 和库、测试。 摘要 CVE： CVE-2026-29000（CVSS 10，CWE-347） 受影响版本： 使用 JWE + 签名配置时的 pac4j-jwt 4.5.9 / 5.7.9 / 6.3.3 问题： JWE 包装的 PlainJWT （未签名）绕过签名验证；仅拥有服务器 RSA 公钥 的攻击者即可伪造令牌并以任意用户身份进行身份验证。 有关详细信息和 PoC 要求，请参阅 WRITEUP.md。 ...

CVE-2026-29000

CVE-2026-29000 — pac4j-jwt JWE Authentication Bypass CTF lab for researching the JWE authentication vulnerability in the pac4j-jwt library CVSS 9.3 Critical · CWE-287 · Affected: pac4j-jwt ← access admin panel ↓ Read sensitive data: employee list, system config, flag Project structure...

Linux Distros Unpatched Vulnerability : CVE-2026-53939

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - OpenIDC/cjose is a C library implementing the Javascript Object Signing and Encryption JOSE. In versions 0.6.1 through 0.6.2.5, when cjose encrypts a JWE using ...

CVE-2026-29000

CVE-2026-29000: Prueba de Concepto PoC para la Omisión de Autenticación en pac4j-jwt ⚠️ Aviso Legal Esta herramienta es únicamente para fines educativos y de pruebas de seguridad ética. No apoyo ni apoyaré el ciberdelito de ninguna manera, forma o modo. Úsala bajo tu propio riesgo. Este es también...