File Injection Vulnerability in Tar Affects Red Hat Products
CVE-2026-5704

5MEDIUM

Key Information:

Vendor

Red Hat
Status
Red Hat Enterprise Linux 10
Red Hat Enterprise Linux 6
Red Hat Enterprise Linux 7
Red Hat Enterprise Linux 8
Vendor
CVE Published:
6 April 2026

What is CVE-2026-5704?

A vulnerability exists in Tar that could be exploited by a remote attacker through a specially crafted archive. This flaw allows the attacker to inject hidden files with content fully controlled by them, circumventing pre-extraction checks. Consequently, malicious files could be introduced to the system unnoticed, posing serious security risks.

References

https://access.redhat.com/security/cve/CVE-2026-5704
vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2455360
issue-trackingx_refsource_REDHAT

CVSS V3.1

Score:
5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Red Hat would like to thank Guillermo de Angel Garcia for reporting this issue.
.