CVE-2026-5704
Medium
Description
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.
SeverityMedium
CVSS5.0
Exploit probability39. percentile0.4%
Product
Gnu Tar
PublishedApr 6, 2026
First seenApr 6, 2026
Weakness typeCWE-434Unrestricted upload of dangerous file type
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| gnu tar | No range specified | — |
| redhat hardened_images | No range specified | — |
| redhat enterprise_linux | 6.0, 7.0, 8.0, 9.0, 10.0 | — |
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