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CVE-2026-26157 is a path traversal/arbitrary file overwrite vulnerability in BusyBox archive extraction utilities caused by incomplete path sanitization during archive extraction. A crafted archive can contain file paths that are not sufficiently constrained to the intended extraction directory. When such an archive is processed under affected conditions, BusyBox may write extracted files outside the target directory, enabling overwrite of arbitrary files on the filesystem. Depending on what files are overwritten, this may be leveraged to modify sensitive configuration or executable files and potentially achieve code execution.
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What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
No valid public exploits. Mallory filtered out 1 candidate as fakes, detection scripts, or README-only repos.
All candidate exploits were filtered out by Mallory's validation.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
4 sources tracked across advisories and community write-ups. News coverage will land here when it surfaces.
No news coverage yet. Advisories and community discussion only.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.