NocoDB - User Enumeration

mediumseverity

5.3CVSS score

0.7%likelihood of exploitation, next 30 days

52%of all CVEs are less likely

Readycheck to confirm it

NocoDB is software for building databases as spreadsheets. Prior to version 0.301.3, the password forgot endpoint returned different responses for registered and unregistered emails, allowing user enumeration. This issue has been patched in version 0.301.3.

Impact

Attackers can enumerate registered users, potentially aiding further targeted attacks.

Fix

Update to version 0.301.3 or later.

How to confirm it

Send: POST /api/v1/auth/password/forgot
Positive when: contains "Your email has not been registered" AND contains in content_type "application/json" AND status 200

Run it with nuclei: nuclei -id CVE-2026-28358 -u <target>. This check is not marked as verified by its authors.

The full check

id: CVE-2026-28358

info:
  name: NocoDB - User Enumeration
  author: DhiyaneshDk
  severity: medium
  description: |
    NocoDB is software for building databases as spreadsheets. Prior to version 0.301.3, the password forgot endpoint returned different responses for registered and unregistered emails, allowing user enumeration. This issue has been patched in version 0.301.3.
  impact: |
    Attackers can enumerate registered users, potentially aiding further targeted attacks.
  remediation: Update to version 0.301.3 or later.
  reference:
    - https://github.com/nocodb/nocodb/security/advisories/GHSA-387m-j3p9-3php
    - https://github.com/nocodb/nocodb/releases/tag/0.301.3
    - https://nvd.nist.gov/vuln/detail/CVE-2026-28358
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
    cvss-score: 5.3
    cve-id: CVE-2026-28358
    cwe-id: CWE-204
    epss-score: 0.00651
    epss-percentile: 0.51556
  metadata:
    verified: false
    max-request: 1
    vendor: nocodb
    product: nocodb
    shodan-query: http.favicon.hash:-2017596142
  tags: cve,cve2026,user-enum,nocodb

variables:
  email: "{{randstr}}@{{rand_base(5)}}.com"

http:
  - raw:
      - |
        POST /api/v1/auth/password/forgot HTTP/1.1
        Host: {{Hostname}}
        Accept: application/json, text/plain, */*
        Content-Type: application/json
        Origin: {{RootURL}}
        Referer: {{RootURL}}/forgot-password

        {"email":"{{email}}"}

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - "Your email has not been registered"

      - type: word
        part: content_type
        words:
          - "application/json"

      - type: status
        status:
          - 200

References

Use this check only on systems you are authorised to test. Where the data comes from