---
id: CVE-2026-30689
title: >-
  In Blog.Core through bcb4d17, the getinfobytoken API interface contains
  improper access control that leads to sensitive data exposure
summary: >-
  In Blog.Core through bcb4d17, the getinfobytoken API interface contains
  improper access control that leads to sensitive data exposure. Unauthorized
  parties can obtain sensitive administrator account information via a valid
  token, threate…
severity: medium
cvss: 4.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N'
cwe:
  - CWE-863
  - CWE-284
vendor: anjoy8
product: blog.admin
affected:
  - blog.admin = 8.0
published: '2026-03-27'
updated: '2026-07-02'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-30689'
references:
  - url: 'https://gist.github.com/Sw3092567023/c420c6a5ee947d72aeab2b3e0ba92a40'
    label: cve@mitre.org
  - url: >-
      https://github.com/anjoy8/Blog.Core/blob/bcb4d17ccc71e206a0c2ff663faf4b399e19f687/Blog.Core.Api/Controllers/UserController.cs#L139-L140
    label: cve@mitre.org
tags:
  - nvd
epss: 0.00325
epssPercentile: 0.22845
ingestedAt: '2026-07-02T20:42:45.604Z'
---

## Overview

In Blog.Core through bcb4d17, the getinfobytoken API interface contains improper access control that leads to sensitive data exposure. Unauthorized parties can obtain sensitive administrator account information via a valid token, threatening system security. NOTE: Blog.Admin is related front-end code that does not offer an API service.

## Affected

- `blog.admin = 8.0`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.