cve.bz

CVE-2026-26158

7.0 highEPSS 0.2%

High (7.0). EPSS 0.2% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

7.0 high
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
0.2% chance of exploitation in the next 30 days; higher than 8% of CVEs (scores of 2026-10-31)
CWE
CWE-73
Published
Modified
Record from
the NVD, synced

References

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