Johnny-You-Are-Fired

Johnny-You-Are-Fired Artifacts for the USENIX publication | Full paper here Abstract OpenPGP and S/MIME are the two major standards to encrypt and digitally sign emails. Digital signatures are supposed to guarantee authenticity and integrity of messages. In this work we show practical forgery...

halo-2.25.4-CVE-2026-67919

Authenticated Remote Code Execution RCE via Unvalidated Plugin URI Installation in Halo 2.25.4 1. Vulnerability Summary A critical security vulnerability has been identified in Halo version 2.25.4. The application provides an administrative endpoint to install or upgrade plugins from a remote URI...

CVE-2026-21858

CVE-2026-21858 + CVE-2025-68613 - n8n RCE Exploit Unauthenticated RCE chain for n8n 1.121.0 CVSS 10.0 Attack Chain 1. CVE-2026-21858 - Content-Type confusion → read /home/node/.n8n/config and database.sqlite 2. Extract encryption key and admin credentials from files 3. Forge admin JWT token 4...

SASTRA-ADI-WIGUNA-CVE-2026-21858-Holistic-Audit

= doi.org/10.5281/zenodo.18278825 = orcid.org/0009-0007-7728-256X RECONSTRUCTIONANALYSIS CVE-2026-21858: Ni8mare - n8n RCE Full Chain Exploit 1. Executive Summary & Overview This document presents a deterministic technical reconstruction analysis of the CVE-2026-21858 vulnerability, internally...

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-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: python3 exploit.py http://IP:PORT Fetching JWKS... + Got RSA public key kid: enc-key-1 Crafted PlainJWT with sub=admin, role=ROLEADMIN + Forged JWE...

CVE-2026-26801-pdfmake-ssrf

pdfmake SSRF Vulnerability PoC Vulnerability Summary Field| Value ---|--- Package| pdfmake Version| = 0.3.0-beta.2, CREDENTIALS LEAKED! This proves the vulnerable server made an outbound request to our controlled endpoint. Full Read SSRF npm run exfiltrate The a...

CVE-2026-104059

Lektor versions 3.3.14 and 3.4.0b15 are vulnerable to a Cross-Site Request Forgery (CSRF) vulnerability within the admin API blueprint . The root cause is a lack of CSRF tokens, Origin/Referer validation, CORS configuration, and Host allowlisting. This allows unauthenticated attackers to perform ...

GitLab-SSRF-CVE-2021-22214

CVE-2021-22214 POC for CVE-2021-22214: Gitlab SSRF Description The remote GitLab install contains a Server-side request forgery SSRF vulnerability as a result of the internal network for webhooks being enabled. A remote, unauthenticated attacker can exploit a registration-limited GitLab instance...

CVE-2026-29000

CVE-2026-29000: pac4j-jwt JwtAuthenticator authentication bypass Full buildout: writeup, Java in-process PoC, Python token-forge CLI and library, tests. Summary CVE: CVE-2026-29000 CVSS 10, CWE-347 Affected: pac4j-jwt 4.5.9 / 5.7.9 / 6.3.3 when using JWE + signature config Issue: JWE-wrapped...

CVE-2026-35616

CVE-2026-35616 - FortiClient EMS Pre-Authentication API Bypass to RCE TL;DR A critical authentication bypass in Fortinet FortiClient EMS 7.4.5 and 7.4.6 allows a completely unauthenticated, remote attacker to bypass API authentication by spoofing a single HTTP header X-SSL-CLIENT-VERIFY. The flaw...

CVE-2026-29000

CVE-2026-29000 A proof of concept script for CVE-2026-29000, a critical authentication bypass vulnerability found in the pac4j-jwt library DISCLAIMER This Proof of Concept is for educational and ethical security testing purposes only. It was developed to demonstrate the technical root cause of...

CVE-2026-21994

CVE-2026-21994 Summary Oracle OKIT oci-designer-toolkit version 0.3.0 contains two critical misconfigurations that chain into an unauthenticated full takeover. A hardcoded Flask SECRETKEY exposed in the public repository allows any attacker to forge a valid admin session cookie — no credentials...

Exploit-CSRF-on-SCOPIA-XT-Desktop-version-8.3.915.4

Exploit CSRF on SCOPIA XT Desktop version 8.3.915.4 This PoC will be describe how to explore Cross-Site Request CSRF Forgery on SCOPIA XT Desktop version 8.3.915.4 About SCOPIA website: https://support.avaya.com/products/P1421/scopia-desktop/8.2.1 About Cross-Site Request Forgery CSRF Cross-site...

cve-2026-29000

CVE-2026-29000 Exploit JWT Authentication Bypass in pac4j-jwt via JWE-wrapped PlainJWT Vulnerability Description CVE-2026-29000 is a critical authentication bypass vulnerability affecting pac4j-jwt versions prior to 4.5.9, 5.7.9, and 6.3.3. The vulnerability allows remote attackers to forge...

PyJWT: Asymmetric-PEM detection bypass: whitespace/line-ending-mutated public keys skip the HS/asymmetric confusion guard

Prerequisites both conditions must hold; both are deployment properties, not attacker-controlled at request time:- The jwt.decode allow-list mixes an HMAC algorithm with an asymmetric one, e.g. algorithms="ES256", "HS256" the RFC 8725 footgun the guard exists to backstop.- The verification key is...

PyJWT BOM Bypass

Affected Package- Package: PyJWT pyjwt on PyPI- Repository: https://www.google.com/url?q=https://github.com/jpadilla/pyjwt=gmail=1781794518474000=E- Affected version: 2.13.0- Vulnerability class: Algorithm confusion / patch bypass--- Root CausePyJWT 2.13.0 introduced a guard in...

Decepticon: Role-boundary forgery via ChatML special-token literals in web crawl output composed into LLM context

SummaryDecepticon wraps web crawl results — the output of agent reconnaissance against target services — into LLM messages without neutralizing ChatML special-token literals. Under the BYOK Bring Your Own Key deployment model, users configure their own LLM credentials to any OpenAI-compatible...

Decepticon: Role-boundary forgery via ChatML special-token literals in web crawl output composed into LLM context

SummaryDecepticon wraps web crawl results — the output of agent reconnaissance against target services — into LLM messages without neutralizing ChatML special-token literals. Under the BYOK Bring Your Own Key deployment model, users configure their own LLM credentials to any OpenAI-compatible...

Decepticon: Role-boundary forgery via ChatML special-token literals in web crawl output composed into LLM context

SummaryDecepticon wraps web crawl results — the output of agent reconnaissance against target services — into LLM messages without neutralizing ChatML special-token literals. Under the BYOK Bring Your Own Key deployment model, users configure their own LLM credentials to any OpenAI-compatible...