Affects widely-used NGINX Gateway Fabric; RCE via CRD injection could disrupt web infrastructure.
CVE-2026-50107
RCE via CRD config injection in NGINX Gateway Fabric
Is CVE-2026-50107 being exploited?
Not confirmed. CVE-2026-50107 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 0.49% probability of exploitation in the next 30 days.
How severe is CVE-2026-50107?
CVE-2026-50107 is rated High with a CVSS score of 8.6. 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-2026-50107?
Yes. A fix has been recorded for CVE-2026-50107. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-50107 affect?
CVE-2026-50107 affects NGINX Gateway Fabric, NGINX Plus, NGINX Open Source. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-50107?
Patch when available; limit CRD write access; monitor changes.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Authenticated attacker can inject directives via CRD values, enabling remote code execution and control-plane compromise.
Patch when possible
- affected>= 2.3.0 and < 2.6.4
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.