POC-CopyEscape-CVE-2026-17106

CopyEscape — PoC for CVE-2026-17106 Educational Proof of Concept of CopyEscape CVE-2026-17106, a TOCTOU race condition vulnerability in docker cp that allows a malicious container to write arbitrary files on the Docker host. Inspired by the original work of masasron , who discovered and documente...

CopyEscape-CVE-2026-17106

CopyEscape: Taking Over Docker Hosts with docker cp CVE-2026-17106 This is the proof-of-concept repository for the blog post CopyEscape: Taking Over Docker Hosts withdocker cp — CVE-2026-17106. CopyEscape allows a malicious running container to race Docker's archive producer and create an...

CVE-2026-64824-PoC

CVE-2026-64824 — Home Assistant Core Backup-Restore Symlink Path Traversal → RCE CVSS 8.4 Critical · GHSA-cwh8-w64c-4j5h · CWE-22 / CWE-59 TL;DR Authenticated admin attacker uploads a crafted backup tar. The restore path extracts the inner homeassistant.tar.gz with filter="fullytrusted" and only...

Security update for helm

This update for helm fixes the following issues: CVE-2026-85731: oras.land/oras-go/v2: arbitrary file write outside file.Store root via symlink-chain bypass in tar extraction bsc1281104. CVE-2026-85732: oras.land/oras-go/v2: blind SSRF via unvalidated Link header URL in pagination allows internal...

GO-2026-6499 Arbitrary file write outside file.Store root via symlink-chain bypass in tar extraction (pushDir) in oras.land/oras-go

Arbitrary file write outside file.Store root via symlink-chain bypass in tar extraction pushDir in oras.land/oras-go...

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

📦 CVE-2026-29786: Node.js Tar Symlink Vulnerability -yellow 📌 Executive Summary This repository documents research into CVE-2026-29786 , a high-severity vulnerability discovered in the popular Node.js tar package. The flaw allows an attacker to create a malicious tar archive that, when extracted,...

Tarmageddon-CVE-2025-62518-

Tarmageddon CVE-2025-62518 Video: https://youtu.be/EYBB4BHsp9E Repo directories vulnerable-extract minimal repoducible example, takes a path as arg, and extracts that file to ./output malicious-payload creates a simple malicious.tar archive with some example of smuggled content, comments explain...

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 — npm tar Path Traversal Scanner Detects npm packages vulnerable to CVE-2026-31802 , a path traversal vulnerability in the tar npm package that allows arbitrary file writes during archive extraction. Features Scans package-lock.json for vulnerable tar versions Checks nodemodules fo...

CVE-2025-4517-PoC

CVE-2025-4517-PoC CVE-2025-4517 is a vulnerability in Python’s tarfile module that allows arbitrary file writes outside the extraction directory when extracting untrusted tar archives. The issue occurs when using TarFile.extract or TarFile.extractall with filter="data" or filter="tar", which does...

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...

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...