NodeJS-Tar-Symlink-Exploit-CVE-2026-29786

📦 CVE-2026-29786: Vulnerabilidad de Symlink en Tar de Node.js -yellow 📌 Resumen Ejecutivo Este repositorio documenta la investigación sobre CVE-2026-29786 , una vulnerabilidad de alta severidad descubierta en el popular paquete tar de Node.js. La falla permite a un atacante crear un archivo tar...

Tarmageddon-CVE-2025-62518-

Tarmageddon CVE-2025-62518 Vídeo: https://youtu.be/EYBB4BHsp9E Directorios del repositorio vulnerable-extract ejemplo mínimo reproducible, toma una ruta como argumento y extrae ese archivo a ./output malicious-payload crea un archivo malicious.tar simple con un ejemplo de contenido oculto, los...

Fedora 45 : sos (2026-cf80902877)

The remote Fedora 45 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-cf80902877 advisory. Security fix for CVE-2026-79655 Fixes a path traversal vulnerability in sos clean tar extraction where unvalidated symlink and hardlink targets could lead to...

npm-tar-path-traversal-scanner

CVE-2026-31802 — Escáner de Path Traversal en npm tar Detecta paquetes npm vulnerables a CVE-2026-31802 , una vulnerabilidad de path traversal en el paquete npm tar que permite la escritura arbitraria de archivos durante la extracción de archivos. Características Escanea package-lock.json en busc...

CVE-2025-4517-PoC

CVE-2025-4517-PoC CVE-2025-4517 es una vulnerabilidad en el módulo tarfile de Python que permite escrituras arbitrarias de archivos fuera del directorio de extracción al extraer archivos tar no confiables. El problema ocurre al usar TarFile.extract o TarFile.extractall con filter="data" o...

Astra Linux – Vulnerability in docker.io-app

The tar extraction routines in moby/go-archive Unpack, UnpackLayer, Untar/UntarUncompressed, and the ApplyLayer helpers do not limit filesystem operations to the destination directory. The extractor determines the location of each archive entry using lexical string checks, and then performs the...

POC-CopyEscape-CVE-2026-17106

CopyEscape — PoC de CVE-2026-17106 Proof of Concept educativa de CopyEscape CVE-2026-17106, vulnerabilidad de carrera TOCTOU en docker cp que permite a un contenedor malicioso escribir archivos arbitrarios en el host Docker. Inspirada en el trabajo original de masasron , quien descubrio y documen...

CopyEscape-CVE-2026-17106

CopyEscape: Tomando Control de Hosts Docker con docker cp CVE-2026-17106 Este es el repositorio de prueba de concepto para la entrada de blog CopyEscape: Taking Over Docker Hosts withdocker cp — CVE-2026-17106. CopyEscape permite que un contenedor malicioso en ejecución compita con el productor d...

CVE-2026-64824-PoC

CVE-2026-64824 — Path traversal por enlace simbólico en la copia de seguridad y restauración de Home Assistant Core → RCE CVSS 8.4 Crítico · GHSA-cwh8-w64c-4j5h · CWE-22 / CWE-59 TL;DR Un atacante autenticado admin sube un tar de copia de seguridad manipulado. La ruta de restauración extrae el...

github.com/moby/go-archive: moby/go-archive: Arbitrary file write via link following in tar extraction

A flaw was found in moby/go-archive. The tar extraction routines in the component do not properly restrict filesystem operations to the intended destination directory. An attacker who controls the contents of an archive can exploit this by including symbolic links, allowing them to create or...

Important: Red Hat Security Advisory: podman security update

An update for podman is now available for Red Hat Enterprise Linux 10. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from t...

ALSA-2026:70201 Important: podman security update

The podman tool manages pods, container images, and containers. It is part of the libpod library, which is for applications that use container pods. Container pods is a concept in Kubernetes. Security Fixes: podman: Go crypto/x509: Certificate validation bypass due to incorrect DNS constraint...

GHSA-M37J-52J7-PJW7 oras-go: Arbitrary file write outside file.Store root via symlink-chain bypass in tar extraction (pushDir)

Summary The content/file.Store in oras-go v2 unpacks OCI layer tarballs when a descriptor carries io.deis.oras.content.unpack=true. The extraction routine validates symlink targets purely lexically filepath.Join and, for regular files placed directly at the extraction root, skips the parent-symli...

CVE-2026-85731

A flaw was found in oras-go, a Go library for managing OCI Open Container Initiative artifacts. A remote attacker can exploit a symlink-chain bypass vulnerability during tar extraction of OCI layers. This allows a malicious archive to create or overwrite any file writable by the process outside t...

CVE-2026-79705

A flaw was found in the buildah/copier Go package. When used outside of Buildah by a non-root caller, a crafted tar archive containing malicious symlinks can escape the target extraction directory and create files outside the intended destination. Buildah itself uses chroot hardening and is not...

CVE-2026-79705

CVE-2026-79705 affects the buildah/copier Go package, which underpins podman cp operations. When the copier is used outside of Buildah by a non-root caller , a crafted tar archive containing malicious symlinks can escape the target extraction directory and create files outside the intended destin...

CVE-2026-55828

qbee transport is a remote access transport protocol implementation. Prior to 1.26.25, the extractTar routine uses strictly lexical path validation that does not account for on-disk symlinks created earlier in the extraction process. A crafted tar archive can use a symlink chain to write or...

CVE-2026-79699

A flaw was found in the containers/storage library. A crafted tar archive containing a malicious whiteout header e.g. victim/.wh. can cause the extraction destination directory to be replaced with an arbitrary file when processed by storage/pkg/archive.UnpackLayer, ApplyLayer, or...

EUVD-2026-78783

qbee transport is a remote access transport protocol implementation. Prior to 1.26.25, the extractTar routine uses strictly lexical path validation that does not account for on-disk symlinks created earlier in the extraction process. A crafted tar archive can use a symlink chain to write or...

CVE-2026-55828 qbee transport: Symlink-chain path traversal in tar extraction (one level outside destination)

qbee transport is a remote access transport protocol implementation. Prior to 1.26.25, the extractTar routine uses strictly lexical path validation that does not account for on-disk symlinks created earlier in the extraction process. A crafted tar archive can use a symlink chain to write or...