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Vulnerability record · public intelligence
CVE-2026-93964
MEDIUM

NginxProxyManager nginx-proxy-manager Validate Route certificate.js internalCertificate.validate missing authentication

Published Sep 20, 2026 · Updated Nov 3, 2026

Severity · CVSSMEDIUM · Not scored
Known exploitationNot listed
EPSS / likelihood0.45%
QFinch risk scoreNot available

Original summary

Normalized public record · Updated Nov 3, 2026

NginxProxyManager nginx-proxy-manager Validate Route certificate.js internalCertificate.validate missing authentication

Publisher and source text is retained separately from QFinch interpretation.

QFinch assessment

A vulnerability was detected in NginxProxyManager nginx-proxy-manager up to 2.15.1. This impacts the function internalCertificate.validate of the file backend/internal/certificate.js of the component Validate Route. The manipulation results in missing authentication. The attack can be launched remotely. The exploit is now public and may be used. Endpoint only processes and echoes back the certificate the caller submits (no stored data leaked); the real risk is unauthenticated openssl processing of attacker input. The project was informed of the problem early through an issue report but has not responded yet.

Evidence: public source records

Affected products

Affected scope reported by the available public evidence
Affected package, product or rangeFix status
Consult the referenced vendor advisory for affected versions.Consult source advisory

Matching a version is only one part of assessing exposure. QFinch has not assessed your environment on this public page.

Remediation

Apply the vendor-supported fixed release or mitigation, then verify the affected component is no longer reachable.

  1. Confirm the affected product and reachable code path exist in your environment.
  2. Apply the vendor-supported patch or mitigation from the primary advisory.
  3. Rescan the exact deployed revision and retain verification evidence.
Review primary references

Evidence coverage

FIRST-EPSSCVE-LIST-V5
SSVC priority
LOW
Confidence
Not available
Aliases
None reported

Scores appear only when corresponding evidence exists. Missing data is never interpreted as zero risk.

Sources and record history

  1. VDB-407923 | NginxProxyManager nginx-proxy-manager Validate Route certificate.js internalCertificate.validate missing authentication ↗
  2. VDB-407923 | CTI Indicators (IOB, IOC, IOA) ↗
  3. CVE-2026-93964 | CVE Analysis and Report ↗
  4. Submit #944336 | NginxProxyManager nginx-proxy-manager commit c354238 (v2.14.0) Missing Authentication ↗
  5. Source repository ↗
  6. Source repository ↗

Record history

Published Sep 20, 2026 · Last refreshed Nov 3, 2026

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