CVE-2026-23745

CVE-2026-23745：node-tar 任意文件覆盖 研究： Joshua van Rijswijk 描述 CVE-2026-23745 的概念验证（PoC），这是 node-tar（7.5.2）中的一个高危路径遍历漏洞。 该库未能对硬链接和符号链接的 linkpath 字段中的绝对路径进行清理。这允许恶意 tar 归档绕过解压根目录，覆盖主机系统上的任意文件，即使设置了 preservePaths: false 也是如此。 漏洞详情 位于 src/unpack.ts 中。该库对未清理的用户输入使用了 path.resolve： //...

Rocky Linux 8 [CIQ] Security Update: git / git-all / git-core / git-core-debuginfo / git-core-doc / etc Multiple Vulnerabilities (crlsa-2024_4084)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-20244084 advisory. git: Recursive clones RCE CVE-2024-32002 git: RCE while cloning local repos CVE-2024-32004 git: additional local RCE CVE-2024-32465 git: insecure hardlinks...

CentOS Linux 8.4 [TuxCare] Security Update: git / git-all / git-core / git-core-doc / git-credential-libsecret / etc (CENTOS8.4:CLSA-2026:1768392809)

The CentOS Linux 8.4 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS8.4:CLSA-2026:1768392809 advisory. - Git is a revision control system. Prior to versions 2.45.1, 2.44.1, 2.43.4, 2.42.2, 2.41.1, 2.40.2, and 2.39.4, when cloning a local source...

Rocky Linux 9 [CIQ] Security Update: git / git-all / git-core / git-core-debuginfo / git-core-doc / etc Multiple Vulnerabilities (crlsa-2024_4083)

The Rocky Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-20244083 advisory. git: Recursive clones RCE CVE-2024-32002 git: RCE while cloning local repos CVE-2024-32004 git: additional local RCE CVE-2024-32465 git: insecure hardlinks...

CentOS Linux 7 [TuxCare] Security Update: emacs-git / emacs-git-el / git / git-all / git-bzr / git-cvs / etc (CENTOS7:CLSA-2026:1768917823)

The CentOS Linux 7 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS7:CLSA-2026:1768917823 advisory. - Git is a revision control system. Prior to versions 2.45.1, 2.44.1, 2.43.4, 2.42.2, 2.41.1, 2.40.2, and 2.39.4, when cloning a local source...

CentOS Linux 6 [TuxCare] Security Update: emacs-git / emacs-git-el / git / git-all / git-cvs / git-daemon / etc (CENTOS6:CLSA-2026:1767973696)

The CentOS Linux 6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS6:CLSA-2026:1767973696 advisory. - Git is a revision control system. Prior to versions 2.45.1, 2.44.1, 2.43.4, 2.42.2, 2.41.1, 2.40.2, and 2.39.4, when cloning a local source...

CVE-2026-96279 Flatpak: flatpak: path traversal issue in oci archive extraction via hardlinks

A malicious OCI registry can hardlink arbitrary host files into the extraction directory when a user installs or updates a Flatpak application from an OCI remote, allowing disclosure of arbitrary host file contents. For system-wide installs running as root, this includes sensitive files such as...

CVE-2026-96279 Flatpak: flatpak: path traversal issue in oci archive extraction via hardlinks

A malicious OCI registry can hardlink arbitrary host files into the extraction directory when a user installs or updates a Flatpak application from an OCI remote, allowing disclosure of arbitrary host file contents. For system-wide installs running as root, this includes sensitive files such as...

CVE-2026-96279

A path traversal issue in the Flatpak OCI archive extraction process allows a malicious OCI registry to hardlink arbitrary host files into the extraction directory. This occurs when a user installs or updates a Flatpak application from an OCI remote, potentially leading to the disclosure of sensi...

Oracle Linux 8 : tar (ELSA-2026-70390)

The remote Oracle Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the ELSA-2026-70390 advisory. - Backport upstream fix for CVE-2026-5704 file injection hidden from -t - Fix --one-top-level with absolute path broken by the CVE-2025-45582 fix Also...

SUSE CVE-2026-81727

NLTK versions before 3.10.3 contain a filesystem containment bypass vulnerability in the Downloader.download and Downloader.incrdownload methods that allows attackers to overwrite files outside the install root through pre-existing hardlinks. Attackers with write access to a shared downloader...

tar security, bug fix, and enhancement update

2:1.34-13 - Backport upstream patches for CVE-2026-18477, fixes a bug where incremental restore with cyclic renames between backups may create a temporary directory at an archive-controlled path outside the extraction tree. The fix for CVE-2025-45582 already prevents exploiting this problem, so i...

GHSA-4XW3-JF9X-X7MF Duplicate Advisory: Downloader.download follows hardlinks and overwrites outside-root files

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-f794-5jv7-7672. This link is maintained to preserve external references. Original Description NLTK versions before 3.10.3 contain a filesystem containment bypass vulnerability in the Downloader.download and...

CVE-2026-81727

NLTK versions before 3.10.3 contain a filesystem containment bypass vulnerability in the Downloader.download and Downloader.incrdownload methods that allows attackers to overwrite files outside the install root through pre-existing hardlinks. Attackers with write access to a shared downloader...

CVE-2026-81727: Improper Link Resolution Before File Access

NLTK versions before 3.10.3 contain a filesystem containment bypass vulnerability in the Downloader.download and Downloader.incrdownload methods that allows attackers to overwrite files outside the install root through pre-existing hardlinks. Attackers with write access to a shared downloader...

PT-2026-82622

Name of the Vulnerable Software and Affected Versions NLTK versions prior to 3.10.3 Description A filesystem containment bypass exists in the Downloader.download and Downloader.incr download methods. Attackers with write access to a shared downloader directory can create hardlinks pointing to fil...

SUSE CVE-2026-18508

A flaw was found in GNU tar. When extracting an archive with the --one-top-level option, hardlink targets are not confined to the designated top-level directory and may resolve relative to the extraction working directory. A crafted archive can create hardlinks that escape the intended boundary...

Amazon Linux 2023 : python3.14, python3.14-devel, python3.14-freethreading (ALAS2023-2026-1999)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1999 advisory. When using the configparser module to write configuration filescontaining multi-line text values with carriage return characters \r theresulting file could be injected with unexpected keys and...

CVE-2026-18508

A flaw was found in GNU tar. When extracting an archive with the --one-top-level option, hardlink targets are not confined to the designated top-level directory and may resolve relative to the extraction working directory. A crafted archive can create hardlinks that escape the intended boundary...

UBUNTU-CVE-2026-18508

A flaw was found in GNU tar. When extracting an archive with the --one-top-level option, hardlink targets are not confined to the designated top-level directory and may resolve relative to the extraction working directory. A crafted archive can create hardlinks that escape the intended boundary...