CVE-2026-26158
HIGHRed Hat Enterprise Linux 6 - Path Traversal via Malicious Tar Archive Extraction
Title source: llmDescription
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.
References (5)
Core 5
Core References
Vendor Advisory
https://cert-portal.siemens.com/productcert/html/ssa-253495.html
Vendor Advisory vendor-advisory
x_refsource_redhat
RHSA-2026:13831
https://access.redhat.com/errata/RHSA-2026:13831
Vendor Advisory vdb-entry
x_refsource_redhat
https://access.redhat.com/security/cve/CVE-2026-26158
Issue Tracking issue-tracking
x_refsource_redhat
https://bugzilla.redhat.com/show_bug.cgi?id=2439040
Scores
CVSS v3
7.0
EPSS
0.0015
EPSS Percentile
4.9%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-73
Status
published
Products (4)
Red Hat/Red Hat Enterprise Linux 6
Red Hat/Red Hat Hardened Images
Red Hat/Red Hat Hardened Images
1.37.0-7.2.hum1
Red Hat/Red Hat Hardened Images 1
Published
Feb 11, 2026
Tracked Since
Feb 18, 2026