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 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.

CVSS v3 5.0 MEDIUM

5.0^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.3 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://access.redhat.com/errata/RHSA-2026:61581
https://access.redhat.com/errata/RHSA-2026:61586
https://access.redhat.com/errata/RHSA-2026:61783
https://access.redhat.com/errata/RHSA-2026:66018
https://access.redhat.com/errata/RHSA-2026:66514
https://access.redhat.com/security/cve/CVE-2026-5704	Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2455360	Exploit Issue Tracking Third Party Advisory
http://www.openwall.com/lists/oss-security/2026/04/11/10	Exploit Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2026/04/11/11	Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2026/04/12/2	Exploit Mailing List Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:gnu:tar:-:::::::*
	cpe:2.3:a:redhat:hardened_images:-:::::::*
	cpe:2.3:o:redhat:enterprise_linux:6.0:::::::*
	cpe:2.3:o:redhat:enterprise_linux:7.0:::::::*
	cpe:2.3:o:redhat:enterprise_linux:8.0:::::::*
	cpe:2.3:o:redhat:enterprise_linux:9.0:::::::*
	cpe:2.3:o:redhat:enterprise_linux:10.0:::::::*

History

No history.

Information

Published : 2026-04-06 16:16

Updated : 2026-09-10 22:16

NVD link : CVE-2026-5704

Mitre link : CVE-2026-5704

CVE.ORG link : CVE-2026-5704

JSON object : View

Products Affected

redhat

enterprise_linux
hardened_images

gnu

tar

CWE

CWE-434

Unrestricted Upload of File with Dangerous Type

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