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Vulnerability record · public intelligence
CVE-2026-90939
HIGH

novel-plus through 5.3.3 Missing Authorization on the Admin /sys/user/list Endpoint

Published Sep 14, 2026 · Updated Nov 3, 2026

Severity · CVSSHIGH · Not scored
Known exploitationNot listed
EPSS / likelihood0.46%
QFinch risk scoreNot available

Original summary

Normalized public record · Updated Nov 3, 2026

novel-plus through 5.3.3 Missing Authorization on the Admin /sys/user/list Endpoint

Publisher and source text is retained separately from QFinch interpretation.

QFinch assessment

novel-plus through 5.3.3 contains an information disclosure vulnerability in the /sys/user/list endpoint that lacks proper permission annotations. Authenticated attackers can retrieve password hashes and personal data including email addresses and phone numbers for users within their data scope, enabling offline hash cracking and account takeover.

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. GitHub advisory ↗
  2. Source repository ↗
  3. Source repository ↗
  4. Source repository ↗
  5. Source repository ↗
  6. VulnCheck Advisory: novel-plus through 5.3.3 Missing Authorization on the Admin /sys/user/list Endpoint ↗

Record history

Published Sep 14, 2026 · Last refreshed Nov 3, 2026