Security Bulletin: Path Traversal Vulnerability in File Component Leading to Arbitrary File Read and Authentication Bypass

Summary A path traversal vulnerability existed in the File component's tar archive extraction functionality. An authenticated user could upload a specially crafted tar archive containing symbolic links to read arbitrary files accessible to the application process. The vulnerability allowed an...

USN-8467-2 perl vulnerabilities

USN-8467-1 fixed vulnerabilities in Perl. This update provides the corresponding fix for Perl on Ubuntu 25.10. Original advisory details: It was discovered that Perl's Archive::Tar module incorrectly handled symlink and hardlink targets during extraction. An attacker could use this issue to read ...

USN-8467-2: Perl vulnerabilities

USN-8467-1 fixed vulnerabilities in Perl. This update provides the corresponding fix for Perl on Ubuntu 25.10. Original advisory details: It was discovered that Perl's Archive::Tar module incorrectly handled symlink and hardlink targets during extraction. An attacker could use this issue to read ...

PT-2026-55256

Name of the Vulnerable Software and Affected Versions obs tar scm source service versions prior to 0.12.4 Description A shellcode injection exists in the mercurial handler of the source service. Attackers who can provide a crafted service file can execute arbitrary code as the source service or t...

SUSE SLED15 / SLES15 Security Update : tar (SUSE-SU-2026:2714-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2026:2714-1 advisory. This update for tar fixes the following issues Security fixes: - CVE-2026-5704: crafted archives can be used to to hide...

SUSE SLES16 Security Update : tar (SUSE-SU-2026:22377-1)

The remote SUSE Linux SLES16 / SLESSAP16 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:22377-1 advisory. This update for tar fixes the following issues - CVE-2026-5704: crafted archives can be used to to hide file injection bsc1261900....

Symlink Attack

Overview Affected versions of this package are vulnerable to Symlink Attack through improper validation of hardlink targets during tar extraction. An attacker can access or modify files outside the intended extraction directory by crafting a malicious tarball with a hardlink entry whose target is...

Symlink Attack

Overview Affected versions of this package are vulnerable to Symlink Attack through improper validation of hardlink targets during tar extraction. An attacker can access or modify files outside the intended extraction directory by crafting a malicious tarball with a hardlink entry whose target is...

Symlink Attack

Overview Affected versions of this package are vulnerable to Symlink Attack through improper validation of hardlink targets during tar extraction. An attacker can access or modify files outside the intended extraction directory by crafting a malicious tarball with a hardlink entry whose target is...

GHSA-FXHP-MV3V-67QP `oras-go` tar extraction: Hardlink entry with relative Linkname escapes extract dir via process CWD resolution

Root cause The tar-extraction helper ensureLinkPath at content/file/utils.go:262-275 validates that a hardlink's target resolves inside the extract base, but then returns the original unresolved target string back to the caller: go func ensureLinkPathbaseAbs, baseRel, link, target string string,...

`oras-go` tar extraction: Hardlink entry with relative Linkname escapes extract dir via process CWD resolution

Root cause The tar-extraction helper ensureLinkPath at content/file/utils.go:262-275 validates that a hardlink's target resolves inside the extract base, but then returns the original unresolved target string back to the caller: go func ensureLinkPathbaseAbs, baseRel, link, target string string,...

vim: command injection when decompressing .tgz archives

A flaw was found in Vim. When decompressing .tgz archives, the Vimuntar function builds shell commands using shellescape without the special flag. This allows a specially crafted archive filename to trigger Vim cmdline-special expansion and execute arbitrary commands in the context of the current...

Deserialization of Untrusted Data

Overview ray is an A system for parallel and distributed Python that unifies the ML ecosystem. Affected versions of this package are vulnerable to Deserialization of Untrusted Data via the readwebdataset function. An attacker can execute arbitrary code on remote workers by supplying a specially...

CVE-2026-57516

Ray prior to 2.56.0 contains an unsafe deserialization vulnerability in the WebDataset reader that allows attackers to achieve remote code execution by supplying a malicious tar archive to the readwebdataset function. The defaultdecoder function in webdatasetdatasource.py unconditionally calls...

PYSEC-2026-2273

Ray prior to 2.56.0 contains an unsafe deserialization vulnerability in the WebDataset reader that allows attackers to achieve remote code execution by supplying a malicious tar archive to the readwebdataset function. The defaultdecoder function in webdatasetdatasource.py unconditionally calls...

CVE-2026-57516

Ray prior to 2.56.0 contains an unsafe deserialization vulnerability in the WebDataset reader that allows attackers to achieve remote code execution by supplying a malicious tar archive to the readwebdataset function. The defaultdecoder function in webdatasetdatasource.py unconditionally calls...

CVE-2026-57516

Ray prior to 2.56.0 is affected via the WebDataset reader flaw in which _default_decoder() deserializes tar entries using pickle.loads for .pkl/.pickle and torch.load for .pt/.pth, enabling remote code execution inside Ray remote workers when processing a malicious tar archive. Affected component...

CVE-2026-57516 Ray < 2.56.0 Unsafe Deserialization RCE via WebDataset Reader

Ray prior to 2.56.0 contains an unsafe deserialization vulnerability in the WebDataset reader that allows attackers to achieve remote code execution by supplying a malicious tar archive to the readwebdataset function. The defaultdecoder function in webdatasetdatasource.py unconditionally calls...

perl-Archive-Tar security update

An update is available for perl-Archive-Tar. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list Archive::Tar provides an object oriented mechanism for handling tar...

RLSA-2026:30856 Important: perl-Archive-Tar security update

Archive::Tar provides an object oriented mechanism for handling tar files. It provides class methods for quick and easy files handling while also allowing for the creation of tar file objects for custom manipulation. If you have the IO::Zlib module installed, Archive::Tar will also support...