CVE-2026-26157

Public exploit code

Working exploit or proof of concept code has been published for this vulnerability. Treat unpatched systems as at risk.

• BusyBox 1.37.0 - Path Traversal2026-04-30 · webapps · multiple

Impact

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.

Affected packages

This record carries no package version data, so it cannot be matched against a dependency list automatically. Read the advisory and compare your version by hand.

Weakness classification

References

• NVD record
• CVE.org record
• 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=3fb6b31c716669e12f75a2accd31bb7685b1a1cb
• 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://cert-portal.siemens.com/productcert/html/ssa-253495.html
• https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-26157.json