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CVE-2026-5704

| EUVD-2026-19317 MEDIUM
Unrestricted Upload of File with Dangerous Type (CWE-434)
2026-04-06 redhat
5.0
CVSS 3.1
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CVSS VectorNVD

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None

Lifecycle Timeline

3
EUVD ID Assigned
Apr 06, 2026 - 15:30 euvd
EUVD-2026-19317
Analysis Generated
Apr 06, 2026 - 15:30 vuln.today
CVE Published
Apr 06, 2026 - 15:17 nvd
MEDIUM 5.0

DescriptionNVD

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.

AnalysisAI

Tar archive extraction allows hidden file injection by local authenticated users through crafted malicious archives, bypassing pre-extraction inspection mechanisms and enabling introduction of attacker-controlled files. The vulnerability affects Red Hat Enterprise Linux versions 6 through 10, requires local access and user interaction (extraction action), and presents a moderate integrity risk (CVSS 5.0) with no confirmed active exploitation or public proof-of-concept at time of analysis.

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Vendor StatusVendor

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CVE-2026-5704 vulnerability details – vuln.today

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