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vulnerabilityCVE-2026-26157
Name
CVE-2026-26157
Source
NVD ( link)Debian ( link)
Description
A flaw was found in BusyBox. Incomplete path sanitization in its archive extraction utilities allows an attacker to craft malicious archives that when extracted, and under specific conditions, may write to files outside the intended directory. This can lead to arbitrary file overwrite, potentially enabling code execution through the modification of sensitive system files.
Published Date
Updated Date
Workaround
-
Advisories

Analysis#


Affected Component
Analysis
busybox
Patched

Vulnerability Ratings#


7
CVSSv31
NaN
other

Others affected components#


Name
Project
Project Version
Version
Status
buildroot
2025.02.x
1.37.0
Not Affected
buildroot
master
1.38.0
Not Affected
openwrt
master
1.38.0-r2
Not Affected
openwrt
openwrt-25.12
1.37.0-r6
Not Affected
yocto
kirkstone
1.35.0
Not Affected
yocto
master
1.38.0
Not Affected

Resolved with patches#


busybox (yocto:scarthgap)

#
Title
Author
Resolve
1
tar: strip unsafe hardlink components - GNU tar does the same
Denys Vlasenko <vda.linux@googlemail.com>
CVE-2026-26157
CVE-2026-26158
2
tar: only strip unsafe components from hardlinks, not
Radoslav Kolev <radoslav.kolev@suse.com>
CVE-2026-26157
CVE-2026-26158