Vulnerability 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.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- https://access.redhat.com/errata/RHSA-2026:13831
- https://access.redhat.com/security/cve/CVE-2026-26157
- https://bugzilla.redhat.com/show_bug.cgi?id=2439039
- https://git.busybox.net/busybox/commit/archival?id=3fb6b31c716669e12f75a2accd31b
FAQ
What is CVE-2026-26157?
CVE-2026-26157 is a vulnerability with a CVSS score of 7.0 (HIGH). 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 wri...
How severe is CVE-2026-26157?
CVE-2026-26157 has been rated HIGH with a CVSS base score of 7.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-26157?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.