CVE-2026-71476
Nx self-hosted remote cache unsafe tar extraction enables arbitrary file writes and potential RCE.
Is CVE-2026-71476 being exploited?
Not confirmed. CVE-2026-71476 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.58% probability of exploitation in the next 30 days.
How severe is CVE-2026-71476?
CVE-2026-71476 is rated High with a CVSS score of 8.7. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-71476?
Yes. A fix has been recorded for CVE-2026-71476. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-71476 affect?
CVE-2026-71476 affects Nx workspaces using self-hosted HTTP remote cache, Nx versions 20.8.0–22.7.6 (v22 branch), Nx versions 23.0.0–23.0.1 (v23 branch). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-71476?
Upgrade to Nx 22.7.7 or 23.0.2, or disable self-hosted remote cache until patched.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
A malicious or MITM remote cache can deliver a crafted tar to write files outside the cache, enabling escalation to remote code execution.
Immediate action required
- affected>= 20.8.0 and < 22.7.7
- affected>= 23.0.0 and < 23.0.2
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.