CVE-2026-5704 MEDIUM

CVE-2026-5704: Tar: tar: hidden file injection via crafted archives

Vendor Red Hat
Product Red Hat Enterprise Linux 10
Weakness CWE-434 · Unrestricted file upload
Published April 6, 2026
Last update June 30, 2026

CVSS base score

5.0/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction Required
Confidentiality None
Integrity High

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N

What the vulnerability does

01Description

A flaw was found in tar. A remote attacker could exploit this vulnerability by crafting a malicious archive, leading to hidden file injection with fully attacker-controlled content. This bypasses pre-extraction inspection mechanisms, potentially allowing an attacker to introduce malicious files onto a system without detection.

Key dates

02Disclosure timeline

April 6, 2026 CVE published
June 30, 2026 Record updated