Critical [CVE-2026-71476] @nx/s3-cache: @nx/gcs-cache: @nx/azure-cache: @nx/shared-fs-cache: @nx/powerpack-s3-cache: @nx/powerpack-gcs-cache: @nx/powerpack-azure-cache: @nx/powerpack-shared-fs-cache: Nx: Remote Code Executi…
This critical-severity Red Hat Linux advisory covers CVE-2026-71476.
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Summary
Nx is a monorepo solution for TypeScript and polyglot codebases. From version 20.8.0 until 22.7.7 and 23.0.2, the Nx self-hosted HTTP remote cache extracts downloaded cache artifacts without constraining where files are written.
A malicious or on-path (MITM) remote cache server can return a crafted tar archive whose entries escape the cache directory and write to arbitrary locations on the machine running Nx, which can be escalated to remote code execution.
Nx's default local cache and Nx Cloud are not affected; only workspaces configured to use a self-hosted remote cache are affected. This issue is fixed in versions 22.7.7 and 23.0.2.
A flaw was found in Nx. A malicious or on-path (Man-in-the-Middle) remote cache server can exploit this Zip-Slip vulnerability by providing a specially crafted archive.
Red Hat products that bundle Nx use it as a build tool and do not use the self-hosted remote cache feature, limiting the exploitability of this vulnerability in Red Hat environments. The AAP 2.6 and 2.7 gateway container images bundle a vulnerable version of Nx and are being evaluated for impact.
Red Hat severity: Critical — CVSS 9.6 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H). Weakness: CWE-22.
Red Hat lists Red Hat Ansible Automation Platform 2; Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 8; Red Hat Hardened Images as not affected.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.
Official advisory · high-confidence parse· fetched 24 days ago·verify at source
- 22.7.7
- 23.0.2
Official advisory · high-confidence parse· fetched 24 days ago·verify at source
Mitigation checklist
- Do not configure Nx to use a self-hosted HTTP remote cache. Use Nx's default local cache or Nx Cloud instead, neither of which are affected by this vulnerability. If a self-hosted remote cache is required, ensure the cache server is trusted and accessed over a secure, authenticated connection to prevent man-in-the-middle attacks. Upgrading to Nx 22.7.7 or 23.0.2 resolves the underlying path traversal issue.
Official advisory · high-confidence parse· fetched 24 days ago·verify at source
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