Review reviewHigh

CVE-2026-26158

Red Hat Red Hat Hardened Images, Red Hat Enterprise Linux 6, RUGGEDCOM RST2428P

A flaw was found in BusyBox. This vulnerability allows an attacker to modify files outside of the intended extraction directory by crafting a malicious tar archive containing unvalidated hardlink or symlink entries. If the tar archive is extracted with elevated privileges, this flaw can lead to privilege escalation, enabling an attacker to gain unauthorized access to critical system files.

CVSS: 7
EPSS: 0.16%
CISA KEV: Not listed
Published: 2026.02.12

PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV

Exploit probability0.16%

Technical severityCVSS 7

Vulnerability overview

Affected product and versions

Product: Red Hat Red Hat Hardened Images, Red Hat Enterprise Linux 6, RUGGEDCOM RST2428P
Affected versions: < V4.0
Fixed versions: No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide

1
Identify
Confirm that Red Hat Red Hat Hardened Images, Red Hat Enterprise Linux 6, RUGGEDCOM RST2428P and an affected version are present.
2
Prioritize
Combine exploitation signals with asset exposure and business criticality.
3
Remediate
Follow the vendor advisory or supported update path and preserve rollback options.
4
Verify
Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE: CWE-73