CVE WatchSep 22, 2026

CVE-2026-5704

A flaw was found in tar. A remote attacker could exploit this vulnerability by crafting a malicious archive, leading to hidden file injectio

CVSS

5.0

Medium

EPSS

0.4%

p34

KEV

—

Exploit Today

0-100

Published: Apr 6, 2026 · Last modified: Sep 22, 2026 · CWE-434

EPSS · 30d

0.4%EPSS · 30 days0.4%

2026-08-252026-09-22

Technical 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.

Official references

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