PT-2026-28417 · Anjoy8 · Blog.Core+1

Lang · CVE-2026-30689 · Published 2026-03-27 · Updated 2026-07-02

Positive Technologies (AI Summary)

CVSS v3.1

4.3

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Name of the Vulnerable Software and Affected Versions Blog.Core versions prior to bcb4d17

Description The 'getinfobytoken' API endpoint contains improper access control, which allows unauthorized parties to obtain sensitive administrator account information by using a valid token. This issue leads to sensitive data exposure and threatens system security.

Recommendations Update Blog.Core to a version later than bcb4d17. As a temporary mitigation, restrict access to the 'getinfobytoken' API endpoint.

Exploit

Fix

Incorrect Authorization

Improper Access Control

Weakness Enumeration

CWE-863

CWE-284

Related Identifiers

CVE-2026-30689

Affected Products

Blog.Core

Blog.Admin

References · 6

• 🔥 https://gist.github.com/Sw3092567023/c420c6a5ee947d72aeab2b3e0ba92a40 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-30689 · Security Note
• https://github.com/anjoy8/Blog.Core/blob/bcb4d17ccc71e206a0c2ff663faf4b399e19f687/Blog.Core.Api/Controllers/UserController.cs#L139-L140 · Note
• https://github.com/anjoy8/Blog.Core · Note
• https://t.me/cveNotify/185538 · Telegram Post
• http://blagadmin.com · Note