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CVE-2026-71476 is a path-traversal vulnerability in Nx self-hosted HTTP remote-cache artifact extraction. Affected Nx versions extract downloaded tar archives without ensuring that archive entries resolve within the intended cache directory. A malicious self-hosted cache server, or an on-path attacker able to modify cache responses, can provide a crafted archive containing traversal entries or malicious link handling that causes writes outside the cache directory. The resulting arbitrary file write can be escalated to remote code execution. The issue also involves improper link resolution (CWE-59). Nx default local cache and Nx Cloud are not affected.
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What an attacker gets, and what they’ve been doing with it.
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No public exploit code observed for this vulnerability.
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.
3 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A high-severity arbitrary file-write/path-traversal vulnerability in the Nx self-hosted HTTP remote cache. A malicious or man-in-the-middle remote-cache server can supply a crafted tar archive that writes outside the intended cache directory, potentially escalating to remote code execution. It affects Nx versions 20.8.0 through versions before 22.7.7 and 23.0.2 when configured with a self-hosted remote cache; Nx local cache and Nx Cloud are not affected.
A path traversal / arbitrary file write vulnerability in the Nx self-hosted HTTP remote cache that allows a malicious or MITM remote cache server to supply a crafted tar archive whose files escape the intended cache directory, potentially leading to remote code execution.
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.