CVE-2026-98215

In the Linux kernel, the following vulnerability has been resolved: selinux: preserve user SID across nested backing files SELinux saves the user file SID in a backing-file security blob so it remains available after mmap replaces vma-vmfile with a backing file. For nested backing files overlayfs...

CVE-2026-73321

CVE-2026-73321: PHP worker stack overflow through nested BBCode XenForo before 2.3.13 can exhaust a PHP worker through deeply nested BBCode. Result The public editor/to-html route sends guest-supplied BBCode through XenForo's recursive parser and renderer. It does not apply a raw-length or nestin...

KVM-Januscape

KVM-XJ Hot Patch dumptool.py automatically finds offsets; how to use it? Just read the code. Vulnerability Overview CVE-2026-53359 Januscape is a use-after-free UAF vulnerability in the Linux kernel KVM shadow MMU. Lurking time : 16 years August 2010 to July 2026 Affected range : All Intel/AMD x8...

jackson-databind: Jackson-databind: Denial of Service via deeply nested JSON processing

A flaw was found in jackson-databind, a general-purpose data-binding library for Jackson Data Processor. A remote attacker can exploit this vulnerability by sending deeply nested JSON JavaScript Object Notation data to a service that reads and processes it. This can lead to a Denial of Service Do...

day01-sessionreaper-lab

Day 1 — SessionReaper-style Vulnerable Lab Educational This is a tiny lab that simulates the core idea reported for CVE-2025-54236 “SessionReaper”: improper validation of nested JSON leading to dangerous code paths. This is not Magento/Adobe Commerce; it's a minimal educational replica to practic...

kernel: KVM: SVM: Update x2APIC MSR intercepts if AVIC is inhibited while L2 is active

A flaw was found in KVM Kernel-based Virtual Machine. When the Advanced Virtual Interrupt Controller AVIC is inhibited while a nested guest L2 is active, KVM fails to properly update x2APIC MSR intercepts for the primary guest L1. This allows the L1 guest to read the host's APIC state, send...

Astra Linux – Vulnerability in pyasn1

pyasn1 is a generic ASN.1 library for Python. Prior to version 0.6.3, the pyasn1 library was vulnerable to a Denial of Service DoS attack caused by uncontrolled recursion during the decoding of ASN.1 data with deeply nested structures. An attacker could provide a crafted payload containing...

CVE-2026-4020

cve-id ⚡ Simple Usage Use this project only in safe and authorized environments such as: Local virtual machines Docker containers Isolated lab setups Authorized penetration testing environments Example setup: git clone cd Project use python follow below Create a virtual environment python -m venv...

CVE-2026-64561

CVE-2026-64561 — Zapscape: KVM/x86 shadow MMU UAF, guest escape to host root HackSpeak distribution mirror. This repository is a distribution mirror of the complete PoC + technical write-up publicly released by researcher Hyunwoo Kim @v4bel , with code and documentation identical to upstream. ⚠️...

CVE-2023-2825

CVE-2023-2825 Unauthenticated Directory traversal leads to file read. Summary of the CVE An issue has been discovered in GitLab CE/EE affecting only version 16.0.0. An unauthenticated malicious user can use a path traversal vulnerability to read arbitrary files on the server when an attachment...

log4j2-CVE-2021-45105

Sample Log4j2 vulnerable application CVE-2021-45105 Versions Affected: all versions from 2.0-beta9 to 2.16.0 This application is based on Spring Boot web application vulnerable to CVE-2021-45105 It uses Log4j 2.16.0 Running the application Run it: Import the project in Java IDE as a maven project...

CVE-2021-44228-Scanner

log4j2-scan is a single binary command-line tool for CVE-2021-44228 vulnerability scanning and mitigation patch. It also supports nested JAR file scanning and patch. Download log4j2-scan 1.3.1 Windows x64 If native executable doesn't work, use the JAR instead. 32bit is not supported. log4j2-scan...

CVE-2023-2825-Gitlab

CVE-2023-2825 On May 23, 2023 GitLab released version 16.0.1 which fixed a critical vulnerability, CVE-2023-2825, affecting the Community Edition CE and Enterprise Edition EE version 16.0.0. The vulnerability allows unauthenticated users to read arbitrary files through a path traversal bug. It wa...

EUVD-2026-51271

aws-smithy-json: Uncontrolled recursion in the aws-smithy-json unknown-key skip path allows unauthenticated remote denial of service in smithy-rs generated servers...

CVE-2026-103552

A flaw was found in Apache Directory LDAP API. An unauthenticated remote attacker can cause a Denial of Service DoS by submitting a deeply nested search filter before authenticating binding with the server. Processing this filter triggers a stack overflow in the server decoder, resulting in an...

OVSwrap

OVSwrap CVE-2026-64531 Writeup !WARNING The PoC is provided solely to help defenders, maintainers, and authorized security teams validate patches, mitigations, detections, and exposure on systems they own or are explicitly authorized to test. You are solely responsible for ensuring that your use ...

CVE-2026-66858

A flaw was found in Apache Thrift. Multiple language bindings fail to enforce recursion limits when processing skipped fields in incoming messages. A remote, unauthenticated attacker can exploit this vulnerability by sending a message containing deeply nested unknown fields, leading to stack...

EUVD-2026-91382

Stack Overflow vulnerability in Apache Directory LDAP API. Before binding, a client can send a deeply nested search filter that overflows the stack in the server's decoder. This issue affects Apache Directory LDAP API: from 1.2.0 before 1.2.9. Users are recommended to upgrade to version 1.2.9,...

sqlparse: sqlparse: Denial of Service via quadratic CPU consumption in SQL parsing

A flaw was found in sqlparse, a Python module for parsing SQL. A remote attacker could exploit a vulnerability in the TokenList construction and string conversion processes, specifically when handling nested token subtrees. This flaw leads to quadratic CPU consumption, which can result in a Denia...

CVE-2026-26903-PoC

CVE-2026-26903 PoC Denial-of-service via unbounded recursion in TanStack Query'sreplaceEqualDeep function A single crafted query update with deeply nested objects can freeze the JavaScript thread indefinitely , causing complete application unresponsiveness. No authentication or special permission...